Electric Crocking Tester – GenCrock
Rubber Testing Equipment
Standards
The machine is used to test the dyeing of the fabric, and the fade degree of the leather after dry or wet rubbing. The test method involves the specimen to be fastened to the base of the crocking meter and rubbed with an abrasive hammer attached to a wet or a dry cloth under controlled conditions. The transfer of colour is then measured using a scale to evaluate the rating of the specimen's dyeing grade.
Specifications
| Type | GenCrock-A | GenCrock-B |
|---|---|---|
| Capacity | 2 sets | 1 sets |
| Load | 9°0, 2N | |
| Abrasion Stroke | 104°3mm | |
| Friction Head Diameter | Ø16°0, 1mm | |
| Abrasion Speed | 60cpm | |
| Counter | LCD 0 - 999,999 | |
| Dimensions (W X D X H) | 60x46x36cm | 65x13x23cm |
| Weight | 60kg | 20kg |
| Power | 110V/60Hz or 220V/50Hz | |
FAQs
The Electric Crocking Tester – GenCrock performs colorfastness testing by simulating rubbing on fabric or leather specimens. In this process, the specimen is securely fastened to the base of the crocking meter, where it is subjected to friction from an abrasive hammer equipped with either a dry or wet cloth, depending on the test requirements.
Under controlled conditions, the hammer rubs against the material, causing dye from the specimen to transfer to the cloth, simulating real-world wear conditions. After the test, the degree of color transfer is measured using a rating scale, which helps determine the dyeing grade and durability of the material's color. This method provides valuable insight into how well a material will maintain its appearance when subjected to friction, thus allowing textiles and leather products to maintain their quality.
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Yes, the Electric Crocking Tester – GenCrock complies with ASTM D2054, which is a standard that specifies the test method for evaluating colorfastness and color transfer in textile fabrics and leather materials. ASTM D2054 outlines the procedures for determining how much dye or colorant transfers from the material to another surface under controlled rubbing conditions, both in wet and dry states.
This standard is a necessity in the textile and leather industries, where color durability under friction is crucial to the quality of the products. Compliance with ASTM D2054 means that GenCrock provides standardized, reliable color transfer results, allowing manufacturers to assess how well their materials will retain color integrity over time. This guarantees that the fabric or leather will maintain its appearance during regular use, which is an important factor in consumer satisfaction and quality control.
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The GenCrock-A model has a capacity of 2 sets, allowing it to test two specimens both at once. This feature is particularly useful for laboratories with high testing demands, as it effectively doubles throughput, allowing it to be more efficient at handling multiple samples at once.
In contrast, the GenCrock-B model has a capacity of 1 set, suitable for environments with lower testing volumes or where single-sample testing is sufficient. This model is more compact, catering to labs with space constraints or smaller workloads.
As a result of these differences in capacity, each model can be customized to satisfy a variety of laboratory needs, with the GenCrock-A offering increased productivity and the GenCrock-B providing a more space-efficient solution.
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The Electric Crocking Tester – GenCrock has a load specification of 9°0, 2N. This load setting is used during testing to apply consistent pressure on the specimen as it is rubbed against a dry or wet cloth. The controlled load allows for accurate color transfer measurement, allowing for reliable assessment of colorfastness in materials such as
This standardized load is crucial for producing reproducible test results, as it replicates typical conditions that materials might encounter in real-world use. By maintaining this specific load, GenCrock provides a consistent benchmark for evaluating dye or color durability on various materials.
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GenCrock's abrasion stroke length is 104°3mm, which defines the precise friction head movement distance over the specimen. This stroke length is optimized to replicate typical wear conditions so that each test accurately reflects how the material endures friction over time.
With this controlled stroke length, the GenCrock simulates consistent abrasion, allowing reliable assessments of color durability in textiles, leather, and other materials. The specific measurement helps standardize test conditions, yielding reproducible results across different samples. This stroke setting is ideal for evaluating materials' colorfastness and dye stability, thereby guaranteeing product quality and durability for end-use applications.
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The Electric Crocking Tester – GenCrock has a friction head diameter of Ø16°0, 1mm. With this specific diameter, consistent contact is provided between the wheel and the specimen, which results in accurate and uniform abrasion across the entire surface of the specimen.
The diameter of the friction head plays a key role in replicating the effect of typical friction on materials, allowing for a precise assessment of colorfastness. With this exact measurement, GenCrock offers standardized conditions that help produce reliable and reproducible test results for different samples and testing sessions.
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The Electric Crocking Tester – GenCrock has an abrasion speed of 60 cycles per minute (CPM). This speed is specifically calibrated to replicate the friction that materials like fabrics and leather experience under typical use. By maintaining a standardized speed, GenCrock provides reliable and consistent results for colorfastness testing, making certain that each specimen undergoes uniform rubbing pressure.
This abrasion speed helps assess how well a material’s dye or color holds up against wear, providing crucial data for manufacturers in textiles, leather, and other industries. It enables labs to predict how colors will behave over time, particularly in products that encounter frequent handling or movement. With 60 CPM, GenCrock achieves a balance between testing efficiency and result accuracy, allowing quality control labs to meet industry standards for durability assessments.
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The Electric Crocking Tester – GenCrock is equipped with an LCD counter capable of tracking cycles from 0 up to 999,999. This counter allows operators to set precise cycle counts, enabling testers to run specific abrasion cycles for each specimen. By displaying the exact number of cycles, the counter helps achieve consistent testing of multiple samples, which is a requirement for accurate colorfastness evaluations.
With a range extending up to 999,999 cycles, the GenCrock can accommodate extensive testing, which is beneficial for materials requiring thorough wear simulations. This feature is especially valuable for quality control labs, where tracking the number of rub cycles provides insights into how a material’s color holds up under different conditions, whether for short or extended durations. The large counter capacity provides greater testing flexibility, making the GenCrock suitable for both basic and intensive testing needs.
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The GenCrock-A model has dimensions of 23.6 x 18.1 x 14.2 inches (or 60 x 46 x 36 cm). This size provides a stable and compact footprint ideal for laboratories that need efficient equipment setups but still benefit from dual-sample testing capacity. Its balanced dimensions allow it to integrate smoothly into a variety of laboratory layouts without taking up excessive space, which makes it suitable for moderate- to high-volume testing environments.
The GenCrock-B model, by comparison, is even more compact, with dimensions of 25.6 x 5.1 x 9.1 inches (or 65 x 13 x 23 cm). This model is designed for single-sample testing and fits easily in laboratories with limited space. Its small footprint makes it ideal for quality control environments that require less extensive testing throughput. These dimension options give labs flexibility, allowing them to choose the model that aligns best with their available workspace and testing demands.
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The GenCrock-A model weighs approximately 132 lbs (60 kg), which makes it a robust option for labs that require stability during dual-sample testing. This weight helps ensure minimal movement or vibration during operation, which benefits consistent results over multiple tests. Its substantial build is suitable for labs with medium to high testing demands, offering durability for rigorous use.
The GenCrock-B model, on the other hand, is lighter at 44 lbs (20 kg). This lighter weight makes it more portable and convenient for labs that need to rearrange or relocate equipment. Its compact build is ideal for smaller labs or single-sample testing setups, providing a balance between functionality and ease of movement. This difference in weight between the models allows laboratories to select the best option based on their space, stability needs, and testing volume.
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Both the GenCrock-A and GenCrock-B models operate with dual voltage compatibility, supporting 110V/60Hz and 220V/50Hz power configurations. This flexibility allows GenCrock models to be used globally, as they adapt to North American and international power standards without special converters.
This feature benefits laboratories that operate across different regions or need to relocate equipment, as it provides easy integration into varied electrical setups. Dual voltage compatibility ensures the GenCrock can be easily set up in a wide range of facilities, providing an accessible and adaptable choice for textile and leather testing labs worldwide.
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The GenCrock-A and GenCrock-B models differ in several key aspects that cater to a range of testing requirements and laboratory setups:
- Testing Capacity: The GenCrock-A model is designed with a capacity for 2 sets, allowing it to conduct dual-sample tests simultaneously, which is ideal for labs that handle high testing volumes. In contrast, the GenCrock-B model has a capacity for 1 set, thus being more suitable for single-sample testing and lower testing volumes.
- Size and Weight: The GenCrock-A is larger, with dimensions of 23.6 x 18.1 x 14.2 inches (60 kg), whereas the GenCrock-B is more compact at 25.6 x 5.1 x 9.1 inches (20 kg). The GenCrock-B’s smaller size and lighter weight make it easier to fit into limited spaces and more portable for labs with restricted space.
- Functionality and Usability: With its dual-sample capacity and large footprint, the GenCrock-A is suitable for high-throughput environments, while the GenCrock-B’s compact design is ideal for focused, single-sample testing, offering flexibility for smaller or mobile labs.
Based on these differences, labs are able to select the model that is most appropriate for their testing volume, available space, and operational requirements.
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The Electric Crocking Tester – GenCrock is ideal for professionals in the textile, leather, and manufacturing industries focused on product quality and color durability. It helps these industries test for colorfastness, evaluating how well dyes and pigments withstand friction in both dry and wet conditions.
For quality control laboratories, GenCrock provides a reliable way to test materials under standardized conditions, assuring that products meet durability requirements before reaching the consumer. Leather goods manufacturers and textile producers can also benefit, as the machine helps guarantee that fabrics, leathers, and other materials retain their color when subjected to wear, thereby improving product longevity.
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The AATCC Crockmeter Test Cloth is the primary consumable required for conducting colorfastness tests on the Electric Crocking Tester – GenCrock. This cloth is specially designed to capture color transfer from fabrics and leather during both dry and wet rubbing tests.
For each test cycle, the cloth must be cut into 2"x 2" straight-edge squares and mounted on the test head. Importantly, a new piece of test cloth is required with every test specimen and test cycle. This practice guarantees that the testing environment remains consistent, allowing accurate measurement of color transfer without any influence from previous tests.
AATCC Crockmeter Test Cloths meet AATCC Test Method 8 standards, aligning with industry expectations for color transfer analysis. These consumables can be sourced directly from NextGen, providing laboratories and quality control departments have a reliable supply for their continuous testing needs.
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The AATCC Test Method 8 is a globally recognized standard for testing colorfastness, focused on how well fabrics and leather resist color transfer under dry and wet conditions. This method is governed by the American Association of Textile Chemists and Colorists (AATCC), a leading authority on textile testing and standards.
This testing protocol outlines the steps for evaluating dye durability by measuring the amount of color that transfers from a specimen to a standardized test cloth during controlled rubbing. The AATCC Test Method 8 applies to a wide range of textiles, from woven and knitted materials to dyed, printed, or otherwise treated fabrics.
According to AATCC Test Method 8, GenCrock makes sure that test results are accurate and comparable across different types of materials. This compliance enhances the reliability of the tester, allowing it to be used for any industry needing a dependable method to assess colorfastness in fabrics and leather.
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Once a test cycle with GenCrock is complete, results are analyzed according to the AATCC Test Method 8 guidelines to determine the degree of color transfer. This test evaluates dye durability by grading the color transfer onto the test cloth on a scale from 1 to 5.
Grade 5 indicates no color transfer, suggesting excellent dye durability, while Grade 1 represents a high level of color transfer, indicating potential colorfastness issues. This grading scale allows manufacturers to objectively assess dye or pigment performance under simulated real-world conditions, where materials may be subjected to friction and wear.
GenCrock’s ability to provide clear, consistent grading based on AATCC Test Method 8 is essential for quality control. Manufacturers rely on this data to verify that their fabrics and leathers will retain their appearance and color integrity over time, meeting industry and consumer expectations for durability.
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Setting up the Electric Crocking Tester – GenCrock is straightforward, making it an efficient tool for high-throughput testing environments. The first step is to mount an abrasive pad onto the abrasive head, which generates the necessary friction during testing. This pad is consumable sourced from NextGen and designed to reproduce real-world abrasion effects.
Once the abrasive pad is secured, place the test specimen in the clamping fixture, which holds it firmly in position. Set the desired test cycle count using the machine’s LCD counter, and then activate the machine to begin the test. The GenCrock applies consistent pressure to the specimen as it undergoes dry or wet rubbing, allowing accurate and reproducible results.
After the cycle count is completed, the color transfer on the test cloth can be evaluated to assess dye durability. This easy setup and operation makes GenCrock an effective tool for quality control labs, assuring that each test is conducted precisely and with minimal downtime.
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The AATCC Test Method 8 is a method by the American Association of Textile Chemists and Colorists (AATCC).
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