NextGen Material Testing, Inc. offers a complete portfolio of advanced grips and fixtures specifically engineered for composite material testing with universal testing machines. These solutions meet a wide array of international testing standards including ASTM D3039, ISO 527, ASTM D2344, ISO 14125, and DIN EN 2562. Designed for high-precision tensile, compression, shear, bending, and peel testing, our composite fixtures enable reliable evaluation of fiber-reinforced plastics, carbon composites, laminates, and hybrid materials. Whether you’re conducting R&D, quality assurance, or regulatory compliance testing, NextGen’s grip systems are essential tools for for repeatable and accurate material behavior analysis.
Thirty-one fixtures cover composite testing, and the page runs through them by test method: first tension, then shear, then peel, then bending, then compression, and puncture last. Tension comes first because it is where most composite programmes start. This grip is the heavy end of it.
The NGC105B Hydraulic Wedge Grip is engineered for high-capacity tensile testing of metals and composite materials. Designed for reliability under force loads up to 100 kN, this grip system provides stable clamping with uniform hydraulic wedge action. Featuring heavy-duty construction and Φ18 mm pin connection, it is suitable for industrial environments operating between 0°C and 40°C.
| Parameter | Specification |
|---|---|
| Application | Tension test for metal, composite |
| Maximum Force Capacity | ≤ 100 kN |
| Upper Grip Weight | 126 lbs (57 kg) |
| Lower Grip Weight | 126 lbs (57 kg) |
| Upper Grip Height (H) | 12.2″ (310 mm) |
| Lower Grip Height (H) | 12.2″ (310 mm) |
| Grip Width (W) | 8.5″ (215 mm) |
| Working Temperature | 0°C - 40°C |
| Connection - Upper Grip | Φ18 mm pin |
| Connection - Lower Grip | Φ18 mm pin |
Jaw Faces (Optional)
| No. | Type | Specimen Size (mm) | Height A (mm) | Width B (mm) | Thickness C (mm) |
|---|---|---|---|---|---|
| NGC105B-11 | VEE | Φ4 - Φ12 | 65 | 50 | 35 |
| NGC105B-12 | VEE | Φ12 - Φ20 | 65 | 50 | 32 |
| NGC105B-13 | Flat | 0 - 12 | 65 | 50 | 34 |
| NGC105B-14 | Flat | 12 - 24 | 65 | 50 | 28 |
Accessories, NGC105B Hydraulic Wedge GripThe same grip in the G body, with its own jaw faces.
The NGC105G Hydraulic Wedge Grip is built for high-capacity tensile testing of metal and composite materials, especially under extreme temperature conditions. With a wide working range from −70°C to +350°C and strong clamping force up to 100 kN, this grip is suited to harsh testing environments. Heavy-duty construction and Φ18 mm pin compatibility ensure stable and precise test setups.
| Parameter | Specification |
|---|---|
| Application | Tension test for metal, composite |
| Maximum Force Capacity | ≤ 100 kN |
| Upper Grip Weight | 223 lbs (101 kg) |
| Lower Grip Weight | 187 lbs (85 kg) |
| Upper Grip Height (H) | 33.1″ (840 mm) |
| Lower Grip Height (H) | 21.8″ (554 mm) |
| Grip Width (W) | 9.4″ (238 mm) |
| Working Temperature | −70°C to +350°C |
| Connection - Upper Grip | Φ18 mm pin |
| Connection - Lower Grip | Φ18 mm pin |
| Specimen Hardness | ≤ HRC24 |
Jaw Faces (Optional)
| No. | Type | Specimen Size (mm) | Height A (mm) | Width B (mm) | Thickness C (mm) |
|---|---|---|---|---|---|
| NGC105G-16 | VEE | Φ4 - Φ12 | 65 | 50 | 35 |
| NGC105G-17 | VEE | Φ12 - Φ20 | 65 | 50 | 32 |
| NGC105G-18 | Flat | 0 - 12 | 65 | 50 | 34 |
| NGC105G-19 | Flat | 12 - 24 | 65 | 50 | 28 |
Accessories, NGC105G Hydraulic Wedge GripA lighter tensile grip for thin laminates and film.
The NGA502A Node Tensile Grip is specifically designed for tensile testing of honeycomb core materials according to ASTM C363. Featuring lightweight upper and lower grips, the system supports a maximum force of 500 N and operates within 0°C to 40°C. It accommodates precise clamping of thin materials with a clamping range of up to 20 mm and is compatible with Φ10 mm UTM pin connections.
| Parameter | Specification |
|---|---|
| Application | Tension test for honeycomb core materials |
| Maximum Force Capacity | 500 N |
| Upper Grip Weight | 2.2 lbs (1 kg) |
| Lower Grip Weight | 2.2 lbs (1 kg) |
| Upper Grip Height (H) | 4.3″ (110 mm) |
| Lower Grip Height (H) | 4.3″ (110 mm) |
| Grip Width (W) | 5.7″ (145 mm) |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM C363 |
| Connection - Upper Grip | Φ10 mm pin |
| Connection - Lower Grip | Φ10 mm pin |
| Specimen Size | 260 (L) × 130 (W) × 12(16) (T) mm |
| Pin Diameter | Φ4.5 mm |
| Clamping Range | 0 - 20 mm |
Another light grip, sized for narrow coupons.
The NGB103A Plane Tensile Grip is engineered for plane tensile testing of bonded honeycomb sandwich structures. Designed for extreme environments, it functions within a wide temperature range from −70°C to +350°C. With compact dimensions and lightweight construction, it meets the requirements of QJ 1123 standard and fits universal testing machines using Φ10 mm pin connections.
| Parameter | Specification |
|---|---|
| Application | Plane tension test for bonded honeycomb sandwich structure |
| Maximum Force Capacity | 1 kN |
| Upper Grip Weight | 4.9 lbs (2.2 kg) |
| Lower Grip Weight | 0.7 kg |
| Upper Grip Height (H) | 7.4″ (188 mm) |
| Lower Grip Height (H) | 78 mm |
| Grip Width (W) | 60 mm |
| Working Temperature | −70°C to +350°C |
| Standard | QJ 1123 |
| Connection - Upper Grip | Φ10 mm pin |
| Connection - Lower Grip | Φ10 mm pin |
And a mid-range grip for standard tensile coupons.
The NGA104C Platwise Tensile Grip is purpose-built for flatwise tensile testing of sandwich constructions in accordance with ASTM C297. This grip system features symmetric upper and lower grips, a compact footprint, and a working range of 0°C to 40°C, making it suited to structural testing of bonded core materials.
| Parameter | Specification |
|---|---|
| Application | Flatwise tension test for sandwich constructions |
| Maximum Force Capacity | 10 kN |
| Upper Grip Weight | 4.9 lbs (2.2 kg) |
| Lower Grip Weight | 4.9 lbs (2.2 kg) |
| Upper Grip Height (H) | 5.6″ (143 mm) |
| Lower Grip Height (H) | 5.6″ (143 mm) |
| Grip Width (W) | 95 mm |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM C297 |
| Connection - Upper Grip | Φ10 mm pin |
| Connection - Lower Grip | Φ10 mm pin |
| Specimen Size | 50 (H) × 50 (W) mm |
The last tensile fixture works over a wide temperature range, which is what an environmental chamber test needs.
The NGA202A Loading Block Grip is built for precise testing of interlaminar fracture toughness (Mode I) in unidirectional fiber-reinforced polymer matrix composites. It complies with ASTM D5528 and ISO 15024 standards and is optimized for use with small-scale specimens. Lightweight and compact, it operates reliably at ambient and sub-zero temperatures.
| Parameter | Specification |
|---|---|
| Application | Mode I fracture toughness test for unidirectional fiber-reinforced composites |
| Maximum Force Capacity | 200 N |
| Upper Grip Weight | 0.8 kg |
| Lower Grip Weight | 0.4 kg |
| Upper Grip Height (H) | 4.8″ (121 mm) |
| Lower Grip Height (H) | 72 mm |
| Grip Width (W) | 55 mm |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM D5528, ISO 15024 |
| Connection - Upper Grip | Φ10 mm pin |
| Connection - Lower Grip | Φ10 mm pin |
| Specimen Size | 125 (L) × 25 (W) mm |
Delamination is not tension or shear alone but a mix of the two, and the mixed mode I and II fixture sets the ratio between them.
The NGA502B Mixed Mode I & II Test Fixture is engineered for evaluating the interlaminar fracture toughness of unidirectional fiber-reinforced polymer matrix composites under combined loading. Designed in accordance with ASTM D6671, it enables accurate measurement of Mode I and Mode II fracture behavior. This fixture features separate upper and lower grip assemblies and is suited to testing under ambient laboratory conditions.
| Parameter | Specification |
|---|---|
| Application | Mixed mode (I & II) fracture testing of fiber-reinforced polymer matrix composites |
| Maximum Force Capacity | 500 N |
| Upper Grip Weight | 3.7 lbs (1.7 kg) |
| Lower Grip Weight | 9.3 lbs (4.2 kg) |
| Upper Grip Height (H) | 6.3″ (160 mm) |
| Lower Grip Height (H) | 74 mm |
| Upper Grip Width (W) | 8.5″ (216 mm) |
| Lower Grip Width (W) | 10″ (254 mm) |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM D6671 |
| Connection - Upper Grip | Φ10 mm pin |
| Connection - Lower Grip | Φ10 mm pin |
| Specimen Size | 125 (L) × 25 (W) mm |
Shear follows, and composites are sheared in more ways than metals are. The picture frame loads a square panel through its four edges so the whole face shears at once.
The NGA502A Picture Frame Shear Fixture is specifically designed for evaluating the in-plane shear strength and stiffness of flat sandwich panels with composite face sheets. Compliant with ASTM D8067, this fixture supports a wide testing temperature range, making it suited to both ambient and extreme thermal environments. It features compact construction with precision pin-mount connections and a secure clamping mechanism.
| Parameter | Specification |
|---|---|
| Application | In-plane shear strength and stiffness testing of flat sandwich composite panels |
| Maximum Force Capacity | ≤ 500 N |
| Weight | 2.9 lbs (1.3 kg) |
| Working Temperature | - 70°C to +200°C |
| Standard | ASTM D8067 |
| Connection - Upper Grip | Φ10 mm pin |
| Connection - Lower Grip | Φ10 mm pin |
| Fixture Height (H) | 18.5″ (469 mm) |
| Fixture Width (W) | 15.4″ (392 mm) |
| Clamping Range | 0 - 5 mm |
| Specimen Size | 180 (H) × 180 (W) mm |
Tensile shear pulls a bonded overlap until the joint fails.
The NGA104D Tensile Shear Fixture is built for evaluating the shear properties of sandwich core materials under tension, following international testing standards such as ASTM C273 and GB/T 1455. Built with precision-ground grip surfaces and shoulder clamping, this fixture supports testing at ambient and controlled temperatures with stable axial alignment.
| Parameter | Specification |
|---|---|
| Application | Shear property testing for sandwich core materials |
| Maximum Force Capacity | 10 kN |
| Weight - Upper Grip | 6.6 lbs (3 kg) |
| Weight - Lower Grip | 6.6 lbs (3 kg) |
| Height - Upper Grip | 15.7″ (400 mm) |
| Height - Lower Grip | 15.7″ (400 mm) |
| Grip Width (W) | 50 mm |
| Working Temperature | 0°C to +40°C |
| Standards | ASTM C273, GB/T 1455 |
| Connection - Upper | Φ10 mm pin |
| Connection - Lower | Φ10 mm pin |
| Clamping Range | 5 - 20 mm |
| Clamping Mode | Shoulder |
| Specimen Size | 150 (H) × 50 (W) mm |
Compression shear does the same while the joint is held under load.
The NGB104C Compression Shear Fixture is engineered to evaluate the shear properties of sandwich core materials under compressive loading. Built for accurate axial alignment and compliance with international testing standards, it delivers precise and repeatable results within controlled laboratory environments.
| Parameter | Specification |
|---|---|
| Application | Shear testing for sandwich core materials |
| Maximum Force Capacity | 10 kN |
| Fixture Weight | 11 lbs (5 kg) |
| Height (H) | 16.3″ (413 mm) |
| Grip Width (W) | 77 mm |
| Working Temperature | 0°C to +40°C |
| Standards | ASTM C273, GB/T 1455 |
| Connection - Upper | Φ10 mm pin |
| Connection - Lower | Φ10 mm pin |
The V-notched beam concentrates the shear in a narrow section cut into the specimen, which is how ASTM D5379 measures it.
The NGB204E V-Notched Beam Shear Fixture evaluate the shear properties of unidirectional laminates and fabric fiber composites. Compliant with ASTM D5379, this fixture ensures accurate alignment and secure clamping of thin specimens under high and low temperature conditions. It supports testing in extreme environments and is suited to precision composite material characterization.
| Parameter | Specification |
|---|---|
| Application | Testing shear properties of unidirectional laminates or fabric fiber composites |
| Maximum Force | 20 kN |
| Fixture Weight | 7.9 lbs (3.6 kg) |
| Height (Left) | 8.7″ (220 mm) |
| Height (Right) | 8.1″ (206 mm) |
| Grip Width (W) | 8.5″ (215 mm) |
| Working Temperature | -70°C to +350°C |
| Standard | ASTM D5379 |
| Connection | Φ10 mm pin (upper and lower) |
| Clamping Range | 0 - 6 mm |
| Specimen Size | 76(L) × 19(W) × (3 - 4)(T) mm |
The V-notched rail loads the same notch through rails instead of a beam.
The NGB204F V-Notched Rail Shear Fixture is built for precise shear property determination of fiber-reinforced composite materials. Compliant with ASTM D7078 and GB/T 28889, this fixture supports accurate clamping, consistent load distribution, and high-temperature resistance. Its heavy-duty construction is suited to challenging composite testing environments, both in research and industrial quality control.
| Parameter | Specification |
|---|---|
| Application | Testing shear properties of unidirectional laminates or fabric fiber composites |
| Maximum Force | 20 kN |
| Fixture Weight | 7.9 lbs (3.6 kg) |
| Height (Left) | 8.7″ (220 mm) |
| Height (Right) | 8.1″ (206 mm) |
| Grip Width (W) | 8.5″ (215 mm) |
| Working Temperature | -70°C to +350°C |
| Standard | ASTM D5379 |
| Connection | Φ10 mm pin (upper and lower) |
| Clamping Range | 0 - 6 mm |
| Specimen Size | 76(L) × 19(W) × (3 - 4)(T) mm |
In-plane shear works on the laminate as it lies, without a notch to force the failure plane.
The NGB204F In-Plane Shear Fixture is engineered for evaluating the in-plane shear strength and stiffness of fiber-reinforced composite materials. Compliant with GB/T 5258 Type C, it is suitable for high-precision material testing within a wide thermal range. Its compact yet heavy-duty design supports repeatable testing in research laboratories and composite manufacturing facilities.
| Parameter | Specification |
|---|---|
| Application | In-plane shear test for fiber-reinforced composite materials |
| Maximum Force | 20 kN |
| Weight | 13 lbs (5.9 kg) |
| Height (H) | 5.7″ (145 mm) |
| Grip Width (W) | 80 mm |
| Working Temperature | -70°C to +350°C |
| Standard | GB/T 5258 Type C |
| Specimen Size | 25(L) × 25(W) × 4 - 10(T) mm |
| Connection | Φ10 mm pin (upper and lower) |
| Clamping Range | 0 - 6 mm |
| Specimen Size | 76(L) × 19(W) × (3 - 4)(T) mm |
A second in-plane fixture in a different body.
The NGB204J In-Plane Shear Fixture is built for precision testing of fiber-reinforced composite materials under in-plane shear conditions. Compliant with ASTM D695, it supports high-temperature applications and is suited for both research and production environments. Its lightweight construction allows for easy integration and handling across various testing systems.
| Parameter | Specification |
|---|---|
| Application | In-plane shear test for fiber-reinforced composite materials |
| Maximum Force | 20 kN |
| Weight | 0.8 kg |
| Height (H) | 90 mm |
| Grip Width (W) | 60 mm |
| Working Temperature | -70°C to +350°C |
| Standard | ASTM D695 |
| Specimen Size | 75 - 80 (L) × 12.5 (W) × 2 - 6 (T) mm |
| Connection | Φ10 mm pin (upper and lower) |
| Clamping Range | 0 - 6 mm |
| Specimen Size | 76(L) × 19(W) × (3 - 4)(T) mm |
The wedge compression fixture closes the shear group: the wedge converts the frame load into shear across the specimen.
The NGB304K Wedge Compression Fixture is built for in-plane compression testing of polymer matrix composites. Conforming to EN 2850 (Type A1) and ISO 14126 (Type A, Method 1), this fixture supports standardized evaluation of composite compressive behavior. Its compact and lightweight build allows for accurate testing under controlled ambient conditions.
| Parameter | Specification |
|---|---|
| Application | In-plane compression test of polymer matrix composites |
| Maximum Force | 30 kN |
| Weight | 2.9 lbs (1.3 kg) |
| Height (H) | 5.4″ (138 mm) |
| Grip Width (W) | 60 mm |
| Working Temperature | 0°C to +40°C |
| Standard | EN 2850 (Type A1), ISO 14126 (Type A, Method 1) |
| Specimen Size | 110 (L) × 10 (W) × 2 (T) mm |
Peel is next. A floating roller keeps the peel angle constant as the bond line advances, so the number means the same thing from start to finish.
The NGB202A Floating Roller Peel Test Fixture is built for peel testing of flexible adhesives and bonded structures in accordance with ASTM D3167. Rated for forces up to 200 N, it features precision alignment and a stable clamping system, making it suited to evaluating the peel strength of sandwich panel facings, films, or composite layers. The fixture accommodates specimens up to 25.4 mm wide and supports ambient testing within 0°C - 40°C.
| Parameter | Specification |
|---|---|
| Application | High suitability for peel testing applications |
| Maximum Force | 200 N |
| Weight (Upper Grip) | 0.6 kg |
| Weight (Lower Grip) | 0.5 kg |
| Height (Upper Grip) | 4.1″ (105 mm) |
| Height (Lower Grip) | 95 mm |
| Grip Width (W) | 25.4 mm |
| Working Temperature | 0°C to 40°C |
| Standard | ASTM D3167 |
| Connection (Upper) | Φ10 mm pin |
| Connection (Lower) | Φ10 mm pin |
| Clamping Range | ≤25.4 mm |
The climbing drum does the same by rolling up the specimen, which suits honeycomb and sandwich panels.
The NGB303A Climbing Drum Peel Test Fixture is built for evaluating the peel resistance of sandwich structures in compliance with ASTM D1781. With a force capacity of up to 3 kN, it features a Φ4″ (102 mm) drum for controlled peeling, offering accurate data on adhesion performance in composite or layered materials. It operates within an ambient temperature range of 0°C to 40°C and connects via standard Φ10 mm pins.
| Parameter | Specification |
|---|---|
| Application | Determination of the peel resistance of sandwich structure |
| Maximum Force | 3 kN |
| Weight (Upper Grip) | 0.7 kg |
| Weight (Lower Grip) | 0.4 kg |
| Height (Upper Grip) | 64 mm |
| Height (Lower Grip) | 48 mm |
| Grip Width (W) | 4.3″ (108 mm) |
| Working Temperature | 0°C to 40°C |
| Standard | ASTM D1781 |
| Connection (Upper) | Φ10 mm pin |
| Connection (Lower) | Φ10 mm pin |
| Drum Diameter | Φ4″ (102 mm) |
The same drum principle in a larger frame.
The NGB303F Climbing Drum Peel Test Fixture is built for accurate evaluation of peel resistance in sandwich structures, in accordance with GB/T 1457. With a maximum capacity of 3 kN, the fixture includes a Φ3.9″ (100 mm) drum and standard Φ10 mm pin connections. This lightweight fixture supports testing under ambient conditions ranging from 0°C to 40°C, making it suited to standard lab testing of bonded materials.
| Parameter | Specification |
|---|---|
| Application | Determination of the peel resistance of sandwich structure |
| Maximum Force | 3 kN |
| Weight (Upper Grip) | 0.7 kg |
| Weight (Lower Grip) | 0.4 kg |
| Height (Upper Grip) | 64 mm |
| Height (Lower Grip) | 48 mm |
| Grip Width (W) | 4.3″ (108 mm) |
| Working Temperature | 0°C to 40°C |
| Standard | GB/T 1457 |
| Connection (Upper) | Φ10 mm pin |
| Connection (Lower) | Φ10 mm pin |
| Drum Diameter | Φ3.9″ (100 mm) |
Bending comes next, starting with plain three-point loading.
The NGA104A 3-Point Bending Fixture is built for precise flexural testing of polymer matrix composite materials and reinforced plastic specimens. Engineered to support ASTM and ISO standards, this fixture provides a stable and adjustable platform for three-point bending tests with high accuracy. It includes an upper loading nose and two support rollers, allowing users to vary the span from 10 to 200 mm. The fixture's durable structure and modular grip system make it suited to standardized and repeatable bending tests in ambient conditions.
Note: The bending deformation of the samples can be directly measured with an optional digital indicator and other devices.
| Parameter | Specification |
|---|---|
| Application | Three-point bending test of polymer matrix composite materials and reinforced plastic samples |
| Maximum Force Capacity | 10 kN |
| Weight | Upper Grip: 0.5 kg Lower Grip: 20 lbs (9.2 kg) |
| Height (H) | Upper Grip: 90 mm Lower Grip: 9.1″ (232 mm) |
| Grip Width (W) | 13.4″ (340 mm) |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM D7264, ISO 14125, GB/T 9341 |
| Connection Type | Upper Grip: Φ10 mm pin Lower Grip: Φ10 mm pin |
| Span (Adjustable) | 10 - 200 mm |
| Loading Nose | R5 mm |
| Support Roller | R2 mm, R5 mm |
Shortening the span turns a bending test into a shear test: the short-beam fixture measures interlaminar shear strength that way.
The NGA204D Short-Beam Shear Test Fixture is purpose-built for evaluating the interlaminar shear strength of high-modulus fiber-reinforced composite materials. It features a compact structure with a rigid support system, capable of testing within a wide temperature range of -70°C to +350°C. This fixture is compatible with multiple international standards, offering adjustable span lengths and precise loading through a rounded nose. Its heavy-duty design makes it suited to high-load applications in composite materials research and quality control.
| Parameter | Specification |
|---|---|
| Application | Determination of interlaminar shear strength of high-modulus fiber-reinforced composite materials |
| Maximum Force Capacity | 20 kN |
| Weight | 20 lbs (8.9 kg) |
| Height (H) | 7.9″ (200 mm) |
| Grip Width (W) | 10.2″ (260 mm) |
| Working Temperature | -70°C to +350°C |
| Standard | ASTM D2344, ISO 14130, EN 2563, EN 2377, JC/T 773 |
| Connection Type | Φ10 mm pin |
| Specimen Width | ≤ 40 mm |
| Span (Adjustable) | 6 mm - 50 mm |
| Loading Nose | R3 mm |
| Support | R1.5 mm |
| No. | Description | Radius |
|---|---|---|
| NGA204D-14 | Support roller 2 | R3 mm |
| NGA204D-15 | Loading nose | R5 mm |
A second three-point fixture for a different specimen size.
The NGA204E 3-Point Bending Fixture is built for shear testing of sandwich constructions made from composite materials. Built to comply with ASTM C393, this fixture supports high-load conditions and accommodates large specimen sizes. With adjustable span and optional digital indicators, the system enables accurate and repeatable flexural performance evaluation under standard ambient conditions.
Note: The bending deformation of the samples can be directly measured with an optional digital indicator and other devices.
| Parameter | Specification |
|---|---|
| Application | Determination of shear properties of sandwich constructions of composite materials |
| Maximum Force Capacity | 20 kN |
| Weight | Upper Grip: 3.1 lbs (1.4 kg) Lower Grip: 23 lbs (10.3 kg) |
| Height (H) | Upper Grip: 4.6″ (117 mm) Lower Grip: 9.4″ (240 mm) |
| Grip Width (W) | 7.9″ (200 mm) |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM C393 |
| Connection Type | Upper Grip: Φ10 mm pin Lower Grip: Φ10 mm pin |
| Span (Adjustable) | 5.9″ (150 mm) |
| Specimen Size | 7.9″ (200 mm) (L) × 75 mm (W) |
And a fixture that does both three- and four-point bending, so the constant-moment arrangement is available without a second setup.
The NGC204A 3/4-Point Bending Fixture is engineered for high-accuracy flexural testing of fiber-reinforced plastic composites. This system supports both three-point and four-point bending configurations, providing flexibility in standard-compliant testing. Designed for many spans and loads up to 20 kN, it includes precision-machined loading noses and support rollers to ensure stable, repeatable deformation measurements. Optional digital indicators can be integrated for enhanced precision.
Note: The bending deformation of the samples can be directly measured with an optional digital indicator and other devices.
| Parameter | Specification |
|---|---|
| Application | Determination of flexural properties of fiber-reinforced plastic composites |
| Maximum Force Capacity | 20 kN |
| Weight | 15 lbs (7 kg) |
| Height (H) | Upper Grip: 6.1″ (154 mm) Lower Grip: 8.7″ (220 mm) |
| Grip Width (W) | 12.2″ (310 mm) |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM D7264, ASTM D6272, ISO 14125 |
| Support Width | 40 mm |
| Connection Type | Upper Grip: Φ10 mm pin Lower Grip: Φ10 mm pin |
| Upper Span | 30 - 200 mm |
| Lower Span | 30 - 280 mm |
| Loading Nose & Support (3-Point Bending) | R3 mm, R5 mm |
| Loading Nose & Support (4-Point Bending) | R3 mm |
| No. | Description | Radius |
|---|---|---|
| NGC204A-02 | Support | R2 mm |
| NGC204A-14 | Support roller | R2 mm |
The compression group is the largest on the page, because a laminate can fail in compression in several different ways. Edgewise compression loads the panel through its edge.
The NGB303A Edgewise Compression Fixture is engineered for testing the edgewise compressive strength of sandwich composite constructions. Designed in accordance with ASTM C364, this fixture offers reliable results under controlled ambient conditions. With symmetrical upper and lower grip designs, it supports uniform clamping and stable load application, making it suited to lightweight composite structure evaluation.
| Parameter | Specification |
|---|---|
| Application | Determination of edgewise compressive strength of sandwich composite constructions |
| Maximum Force Capacity | 3 kN |
| Weight | Upper Grip: 0.9 kg Lower Grip: 0.9 kg |
| Height (H) | Upper Grip: 22 mm Lower Grip: 22 mm |
| Grip Width (W) | 5.9″ (150 mm) |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM C364 |
| Connection Type | Upper Grip: Φ10 mm pin Lower Grip: Φ10 mm pin |
| Clamping Range | 0 - 40 mm |
| Specimen Size | ≥ 40 mm (L) × ≤ 75 mm (W) × ≤ 40 mm (T) |
The wedge fixture transfers load through friction on tapered faces.
The NGB204A Wedge Compression Fixture is purpose-built for evaluating the compressive properties of polymer matrix composite materials. Compliant with ASTM D3410 and GB/T 5258 Type A2 standards, the fixture features a secure wedge-type design that enables precise alignment and strong clamping of specimens. It accommodates demanding temperature ranges and offers compatibility with a range of specimen dimensions for standardized material testing.
| Parameter | Specification |
|---|---|
| Application | Determination of compressive properties of polymer matrix composite materials |
| Maximum Force Capacity | 20 kN |
| Weight | 20 lbs (9.2 kg) |
| Height (H) | 7.9″ (200 mm) |
| Grip Width (W) | 4.5″ (115 mm) |
| Working Temperature | -70°C to +350°C |
| Standard | ASTM D3410, GB/T 5258 Type A2 |
| Clamping Range | 0 - 8 mm |
| Specimen Size | 5.5″ (140 mm) (L) × 12 mm (W) × 1 - 2 mm (T) 4.3″ (110 mm) (L) × 10 mm (W) × 2 mm (T) |
The hydraulic fixture holds the specimen with hydraulic pressure rather than screws, which keeps the alignment through the run.
The NGB105A Hydraulic Compression Fixture is a high-force testing tool specifically designed for the compressive strength evaluation of polymer matrix composite materials. Compliant with major international standards, this heavy-duty fixture accommodates up to 100 kN force and features heavy-duty Φ18 mm pin connections. Its solid construction and integrated flat jaws offer secure clamping for medium-sized composite specimens, making it suited to routine and advanced mechanical testing in ambient conditions.
| Parameter | Specification |
|---|---|
| Application | Determination of compressive properties of polymer matrix composite materials |
| Maximum Force Capacity | 100 kN |
| Weight | 64 lbs (29 kg) |
| Height (H) | 10.8″ (275 mm) |
| Grip Width (W) | 10.2″ (260 mm) |
| Working Temperature | 0°C - 40°C |
| Standard | ASTM D6641, ASTM D3410, ISO 14126 (Method 1, 2), GB/T 5258 (Specimen 1) |
| Connection Type | Φ18 mm pin |
| Flat Jaw Range | 4 - 8 mm |
| Specimen Hardness | Less than HRC24 |
Dimensions H and W used in Table 29.| No. | Description | Height A (mm) | Width B (mm) | Thickness C (mm) | Specimen Width D (mm) |
|---|---|---|---|---|---|
| NGB105A-08 | Fixed jaw face 2 | 63.5 | 40 | 12 | 10 |
| NGB105A-09 | Fixed jaw face 3 | 63.5 | 40 | 12 | 12 |
A general-purpose compression fixture.
The NGA105G Compression Fixture is built for high-precision compression testing of composite materials under controlled laboratory conditions. With a force capacity of up to 100 kN and a spherical seat design for self-alignment, this fixture ensures accurate load distribution across the specimen. It features dual Φ18 mm pin connections and a compact structure, making it suited to integration with standard universal testing machines.
Note: The compression deformation of the samples can be directly measured with optional digital indicators and other devices.
| Parameter | Specification |
|---|---|
| Application | Compression test for composite materials |
| Maximum Force Capacity | 100 kN |
| Weight | Upper Grip: 7.3 lbs (3.3 kg) Lower Grip: 7.3 lbs (3.3 kg) |
| Height (H) | Upper Grip: 85 mm Lower Grip: 96 mm |
| Grip Width (W) | Φ3.9″ (100 mm) |
| With Spherical Seat | Yes |
| Working Temperature | 0°C - 40°C |
| Connection Type | Upper Grip: Φ18 mm pin Lower Grip: Φ18 mm pin |
In-plane compression, loading the laminate along its own plane.
The NGB204H In-Plane Compression Fixture evaluate the in-plane compressive strength of fiber-reinforced plastics. With its compact design and compatibility with GB/T 5258 standards, this fixture is suited to assessing material resistance under compressive stress in elevated temperatures. The fixture accommodates standard rectangular specimens and offers dependable performance in controlled environments.
| Parameter | Specification |
|---|---|
| Application | Determination of in-plane compression properties of fiber-reinforced plastic |
| Maximum Force Capacity | 20 kN |
| Weight | 8.6 lbs (3.9 kg) |
| Height (H) | 4.3″ (110 mm) |
| Grip Width (W) | 4″ (101 mm) |
| Working Temperature | Ambient - 80°C |
| Standard | GB/T 5258 |
| Specimen Size | 4.3″ (110 mm) (L) × 10 mm (W) × 2 - 10 mm (T) |
A second compression fixture for a different coupon.
The NGB204I Compression Fixture is developed for testing the compressive strength of polymer matrix composite materials under a wide temperature range. With compliance to ASTM D6641, this fixture provides secure clamping, a stable base, and excellent thermal endurance for demanding testing environments. It supports specimens of standard dimensions and is well-suited for quality assurance and R&D applications.
| Parameter | Specification |
|---|---|
| Application | Determination of compressive properties of polymer matrix composite materials |
| Maximum Force Capacity | 20 kN |
| Weight | 11 lbs (5.2 kg) |
| Height (H) | 5.5″ (140 mm) |
| Grip Width (W) | 3.9″ (100 mm) |
| Working Temperature | -70°C to +350°C |
| Standard | ASTM D6641 |
| Specimen Size | 5.5″ (140 mm) (L) × 12 mm (W) × 1 - 4 mm (T) |
| Clamping Range | 0 - 12.7 mm |
An open hole changes everything about how a laminate fails in compression, and this fixture is built for that specimen.
The NGA104A Open-Hole Compression Fixture is developed for testing the open-hole compressive strength of polymer matrix composite specimens. Designed in accordance with ASTM D5961 and ASTM D6484 standards, the fixture supports testing under extreme temperature conditions and accommodates standardized rectangular specimens. Its durable structure and reliable performance make it suited to high-precision aerospace and structural testing applications.
| Parameter | Specification |
|---|---|
| Application | Determination of open-hole compressive strength of polymer matrix composite |
| Maximum Force Capacity | ≤ 10 kN |
| Weight | 11 lbs (4.8 kg) |
| Height (H) | 11.8″ (300 mm) |
| Grip Width (W) | 3.9″ (100 mm) |
| Working Temperature | -70°C to +350°C |
| Standard | ASTM D5961, ASTM D6484 |
| Specimen Size | 11.8″ (300 mm) (L) × 36 mm (W) × 4 mm (T) |
| Clamping Range | 0 - 12.7 mm |
Compression after impact measures what is left once the panel has already been struck - the number that decides whether damage is tolerable.
The NGB104A Compression Fixture After Impact is specifically designed to measure the residual compressive strength of polymer matrix composite plates following impact. It conforms to ASTM D7137 and is optimized for evaluating damage tolerance and post-impact performance under extreme temperature conditions. The fixture accommodates large specimens and offers a secure clamping range suitable for high-reliability strength assessment.
| Parameter | Specification |
|---|---|
| Application | Determination of compressive residual strength of damaged polymer composite plates |
| Maximum Force Capacity | ≤ 10 kN |
| Weight | Upper Grip: 4 lbs (1.8 kg) Lower Grip: 21 lbs (9.5 kg) |
| Height (H) | Upper Grip: 95 mm Lower Grip: 6.3″ (160 mm) |
| Grip Width (W) | 13.8″ (350 mm) |
| Working Temperature | -70°C to +350°C |
| Standard | ASTM D7137 |
| Specimen Size | 5.9″ (150 mm) (H) × 3.9″ (100 mm) (W) × 4 - 6 mm (T) |
| Clamping Range | 0 - 18 mm |
The page ends with puncture, where a probe is driven through the laminate rather than loading it in the plane.
The NGP502E Puncture Fixture is engineered for evaluating the puncture resistance of carbon fiber-reinforced plastic materials under controlled force and temperature conditions. Designed for use with Φ12 mm probes and large-diameter specimens, this fixture supports high-precision puncture testing up to 500 N in accordance with demanding environmental ranges. Its heavy-duty design accommodates a wide specimen range with consistent results across varying thicknesses.
| Parameter | Specification |
|---|---|
| Application | Determination of puncture resistance for carbon fiber-reinforced plastic |
| Maximum Force Capacity | ≤ 500 N |
| Weight | 19 lbs (8.5 kg) |
| Height (H) | Upper Grip: 5″ (126 mm) Lower Grip: 6.1″ (155 mm) |
| Grip Width (W) | 9.8″ (250 mm) |
| Working Temperature | -70°C to +350°C |
| Connection Type | Upper Grip: Φ10 mm pin Lower Grip: Φ10 mm pin |
| Specimen Diameter | ≤ 9.8″ (250 mm) |
| Specimen Thickness | 0 - 18 mm |
| Probe Diameter | Φ12 mm |
NextGen’s extensive suite of composite grips and fixtures ensures precision, consistency, and compliance in universal testing machine applications. Whether performing routine quality assurance or advanced failure analysis, our catalog supports every major composite testing protocol. Contact our technical sales team to configure the ideal testing solution for your lab or production floor.
Need Additional Quality Control Equipment to Build Your Laboratory?
Gripping and fixturing is only one part of a complete quality control laboratory. NextGen can help you equip your entire lab with impact testers, notching and broaching systems, cooling chambers, tensile testers, hardness testers, specimen preparation equipment, and other supporting solutions, all coordinated as one complete project.
These flexure fixtures are designed for precise bending tests on large, brittle, or high-strength specimens, including metals, ceramics, composites, concrete, and construction materials. Compatible with hydraulic universal testing machines, they support single-point, three-point, and four-point bending configurations with adjustable spans and roller supports. Capacities up to 2000 kN help laboratories evaluate flexural strength, deformation behavior, and structural integrity.
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Threaded grips for bolt and nut tensile testing provide secure axial loading for bolts, studs, nuts, and other threaded fasteners. Designed for universal testing machines, they help prevent slippage, thread stripping, and misalignment during high-force tests. Compatibility with ASTM F606, ISO 898, DIN 50125, and multiple metric thread sizes makes them useful for construction, automotive, aerospace, manufacturing, and fastener QC applications.
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Dual-Action Hydraulic Grips are high-capacity wedge-clamping fixtures for tensile testing on universal testing machines. Designed for metals, plastics, and composite specimens, they apply uniform hydraulic pressure to reduce slippage, deformation, and grip-end failures during demanding tests. Interchangeable jaw faces, hydraulic power-unit actuation, UTM compatibility, and support for ASTM, ISO, DIN, JIS, and GB/T workflows help laboratories improve safety and repeatability.
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These specialized grips and fixtures expand UTM testing capabilities for tear, peel, puncture, shear, and unique tensile applications. They are suitable for plastic films, nonwovens, geotextiles, footwear components, waterproof roll materials, safety nets, buckles, eyes, and sandwich structures. ASTM D624, ASTM D1004, ISO 34, ISO 3303, and related standards support reliable force measurement across packaging, textile, construction, and materials testing workflows.
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TestStar® Series grips and fixtures are high-precision accessories for integrating tensile, snubbing, wedge-action, pneumatic, compression, and bending setups with hydraulic and electromechanical universal testing machines. Built for metals, polymers, composites, geotextiles, and demanding industrial specimens, the series emphasizes rigid construction, quick interchangeability, ergonomic handling, and compatibility with ASTM, ISO, DIN, and related standards for repeatable mechanical testing.
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These wood testing grips and fixtures support tensile, shear, flexural, internal bond, and fastener-related evaluation of engineered wood, panels, boards, and structural assemblies. Designed for use with NextGen NG-EML and NG-SHM universal testing machines, they help laboratories characterize wood behavior under standardized loading conditions. ASTM D198, ISO 3349, ISO 3340, and GB/T 1936.1 compatibility supports reliable research and QC workflows.
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These 3-point and 4-point bending fixtures support flexural strength, deformation, and modulus testing of natural stone, ceramics, composites, concrete, metals, bricks, and other structural or brittle materials. Adjustable upper and lower spans, roller-supported loading, multiple capacity options, and optional deformation measurement help laboratories perform standardized bending tests with stable support conditions and repeatable force application.
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Wedge tensile grips are built for high-load tensile testing of flat and round specimens made from metals, composites, and plastics. Their wedge-action mechanism increases gripping pressure as tensile force rises, helping minimize slippage and maintain alignment during demanding tests. Available models support force capacities from lower-force laboratory work up to 300 kN, with interchangeable flat and vee jaw inserts for different specimen sizes.
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Pneumatic grips provide fast, repeatable air-actuated clamping for universal testing machines in high-throughput tensile and compression workflows. Designed for wires, composites, polymers, films, fabrics, and other materials, they apply uniform gripping pressure while reducing operator fatigue and sample loading time. Side-action, wedge-action, and snubbing configurations, plus interchangeable jaw faces, support secure holding across varied specimen geometries and standards.
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Shoulder fixtures are specialized tensile grips for specimens and components with shoulder geometries, where alignment and secure seating are essential for reliable pull-off or tensile testing. Compatible with NG-EML and SHM universal testing machines, they help laboratories reduce bending effects, improve repeatability, and support standardized ASTM and ISO workflows in research, production, and quality-control environments.
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Compression fixtures provide aligned axial loading for rigid samples tested on NG-EML and SHM universal testing machines. They are suited for metals, polymers, elastomers, foams, composites, and construction materials where stable force distribution and specimen alignment are critical. High-rigidity construction, secure contact surfaces, and compatibility with ASTM D695, ISO 604, ASTM E9, and GB/T 14485 support repeatable compression testing.
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These bending fixtures support standard 3-point flexural testing of plastics, composites, metals, ceramics, alloys, and construction materials. Designed for use with NG-EML and SHM universal testing machines, they offer adjustable spans, multiple capacity options, and repeatable roller-supported loading. Compatibility with ASTM D790, ISO 178, ISO 14125, ASTM E290, and GB/T 9341 helps laboratories perform consistent standards-based flexural evaluations.
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Eccentric roller grips are built for low-force tensile testing of thin, soft, and flexible specimens such as rubber sheets, plastic film, and deformable materials. Their cam-driven roller mechanism increases clamping pressure as tensile load rises, helping prevent slippage without damaging delicate surfaces. Compatible with NextGen NG-EML and SHM systems, they support repeatable alignment and accurate testing of narrow specimens.
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Self-tightening grips are designed for tensile testing of deformable, elastic, or low-friction materials such as rubber, plastics, foams, textiles, and biomedical specimens. As tensile force increases, the gripping mechanism automatically increases clamping pressure, helping compensate for thinning or elongation during the test. This reduces slippage, limits specimen damage, and improves repeatability without frequent manual adjustment.
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Snubbing grips, also known as capstan grips, are designed for tensile testing of wires, cables, ropes, textile strips, and geogrids that can slip or break in standard clamps. By wrapping the specimen around curved surfaces, they increase friction and reduce grip-end failures. These fixtures help laboratories achieve safer, more repeatable axial loading for high-strength or flexible materials.
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Side action tensile grips provide quick, secure clamping for films, thin sheets, textiles, fine wires, polymer strips, and other flexible specimens on universal testing machines. Available in manual lever and screw-action configurations, they support different force ranges, jaw surfaces, and specimen sizes. Their side-clamping design helps improve alignment, reduce slippage, and speed up routine tensile testing in QC and R&D labs.
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NG-EML Series A is a compact single-column benchtop universal testing machine for low-force tensile, compression, and flexural testing. Covering 50 N to 5 kN capacity options, it is suited for rubber, plastics, adhesives, films, foams, wires, metals, composites, and consumer products. Its electromechanical frame, high-speed servo actuation, GenTest software, and standards support make it practical for R&D and routine QC.
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NG-EML Series B is a dual-column benchtop electromechanical universal testing machine for precision testing from 100 N to 10 kN. Built for research and industrial labs, it supports tension, compression, flexural, and component testing of composites, high-strength metals, polymers, films, foams, and rubber. Its compact rigid frame, advanced control accuracy, and GenTest software help deliver repeatable results in limited lab space.
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NG-EML Series C is a dual-column electromechanical universal testing machine available in bench-top and floor-standing formats from 5 kN to 50 kN. Built for tension, compression, flexural, shear, and peel testing, it combines Class 0.5 accuracy, a servo direct-drive system, high-rigidity frame, touchscreen control, and GenTest software to support precise testing of metals, composites, rubber, plastics, and polymers.
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NG-EML Series D is a heavy-duty floor-standing electromechanical universal testing machine for high-capacity tensile, compression, and flexural testing. Available from 50 kN to 1000 kN, it is built for high-strength steels, advanced composites, alloys, and challenging research materials. Its rigid dual-column frame, servo direct-drive system, closed-loop control, safety protections, and GenTest software support stable, accurate testing.
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GenTest is NextGen’s advanced UTM testing software for electromechanical universal testing machines, managing test setup, live control, data acquisition, calculations, curves, and reporting from one method-driven environment. Preconfigured ASTM, ISO, DIN, EN, and BS templates help operators load the correct control mode, speeds, gauge length, formulas, and result fields for tensile, compression, and flexural tests.
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The GenMark 500 is a full-automatic gauge length marking machine for metal bar, rebar and wire rod, applying the reference marks used to determine elongation after fracture. A servo-driven lead screw sets 5 mm or 10 mm spacing and a pneumatic tungsten steel needle marks specimens up to 500 mm gauge length, supporting ISO 6892-1 and ASTM E8/E8M workflows. Adjustable marking force, quick needle changes, and fixtures for both round and flat samples keep specimen preparation consistent across operators and shifts.
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