GenDale is a certified Martindale Abrasion Testing system which is mainly used to test shoe fabric, shoe lining, and many other types of shoe related materials. The unit can test up to four specimens at the same time for abrasion. The fabric specimen is measured by having rubbing applied on it via a complex direction of back and forth motion. The accuracy of abrasion strength is determined by the specific number of cycles conducted until a hole appears in the test area of the fabric specimen. This unit is the industry leader for Certified Martindale Abrasion Resistance Testing designed to produce accurate, repeatable and user-friendly testing results every time.
|Certification||CE ISO SGS|
|Speed||50-2r / min
|Function||Fabric pilling test and fabric wear resistance test|
|Driver System||PLC Programmable Control with Large Touch-Screen|
|Max. stroke of movement:||60.5+/-0.5mm|
|Weight of holder and spindle:||200+/-1g|
|Max stroke of movement:||24+/-0.5mm|
|Weight of holder and spindle:||155+/-1g|
|Test Specimen Cutter||(38mm diameter/12cm²) with cutting mat and spare blades.|
|Abradent Fabric & Backing Felt Cutter.||(140mm diameter/154cm2) with cutting mat and spare blades.|
|Standard Wool Abradent Fabric||SM25. 1.6M wide x 5M length – For abrasion test and pilling test(when utomati)|
|Standard Backing Foam.||Width 1.5m, Length 0.5m|
|Standard Backing Wool Felt Piece (woven)||1m x 1.5m|
|EMPA Photographic Standards for Pilling Test||(3 x 4 knitted)|
|EMPA Photographic Standards for Pilling Test||(3 x 4 woven)|
|SM 50 Photographs for Pilling Test||IWS + ASTM|
|Test Specimen Cutter.||(38mm diameter/12cm²) with cutting mat and spare blades.|
When a dispute arises from a material supplier, the customer and supplier should perform comparative tests to determine if there is a statistical bias between the tests. Each side should take a group of test specimens that are as homogenous as possible from the material in question. The fabric specimens should be assigned at random in equal numbers for each laboratory to test. The average results from both testing’s should be compared. If a bias is found after comparing results, the cause must be investigated and corrected or the purchaser and supplier need to consider the bias when interpreting the test results of the material in question.
Woven, Non-woven and knit apparel fabrics are most common types to be tested with the Martindale abrader. Other common fabrics include household fabrics such as curtains, pillows, or sofa materials and commercial/industrial heavy duty fabrics.
When considering the sample breakage testing method, the Martindale system usually provides a score of 1000's cycles of abrasion completed. The general idea of the scoring system is as follows:
The testing process should be stopped immediately once a change in the appearance of the fabric specimen is noticed - or when two yarns break. Due to the involvement of the technician for ending the test, the Martindale system can have skewed results caused by human error.
The material being tested is loaded onto the lower plates of the Martindale abrasion tester. The abrading material which consists of a small disk of worsted wool or wire mesh is loaded on top of the test specimen. The abrading material has constant contact with the specimen fabric and is oscillating in a circular motion.
The Martindale system tests the abrasion resistance of the fabric while in constant friction with another material. It also has the capabilities of measuring the pilling resistance which directly affects the fabrics durability and application of the material.
Unfortunately, the Martindale Abrasion method is not satisfactory or widely accepted as a method for approving shipments of fabric. The Martindale has issues in consistency and results can vary between operators. With this being a large downside of the Martindale system, the test method is still widely used outside of the United States and is in accordance to many ISO standards, ASTM D4966 as well as many EU and GB standards (ISO 20344, ISO 12947, ISO 17704, ASTM D4966-12e1 to name a few).
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GenKron is used together with a special balance for testing the abrasive consumption of materials. The measurements are done through volumetric loss of a rotating specimen exposed to the action of a standard grinding wheel. It is especially suited for testing harder materials such as shoe soles, tires and other rubber materials.
GenDin, is designed to conform to the ASTM D5963 and IS0 4649 standards. This top quality and highly popular abrasion tester will allow you to measure the abrasion resistance of rubbers (vulcanized thermo set rubbers and thermoplastic elastomers) that are subject to abrasive/frictional wear on their actual service. Since wear is always a result of abrasion, different test methods have been developed for the simulation of long term wear.
GenFlex tests the ability of rubber products to withstand repeated flexing without developing cracks is of prime importance where such products are used in conditions undergoing repeated flexing. Flexing endurance of rubber products is determined by simulating in laboratory the action of flexing repeatedly under standard conditions of speed, mode, and degree of flexing.
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.
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GenNBS is used to test the abrasion resistance of vulcanized rubber or other rubber compounds. It is commonly used for the soles and heels of footwear. It has an intelligent power failure recovery system. The unit conducts measurements through volumetric loss of specimens exposed to the action of a normalized abrasive medium secured to a rotations cylinder.
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The machine is designed to test the abrasion resistance of fabrics and metals. The abrasion of fabrics is tested when the specimen is pulled over the frame and rubbed against an abradant over a curved surface. The number of cycles, also known as double rubs, conducted on the specimen before the fabric shows visible wear is used to determine the rating of abrasion.
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