GSO ISO 13937-4:2012
纺织品 机织物撕裂性能 第4部分：使用舌形试样测定撕裂强度（双撕裂试验）

Textiles - Tear properties of fabrics - Part 4 : Determination of tear force of tongue-shaped test specimens (Double tear test)

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标准号

GSO ISO 13937-4:2012

发布

2012年

发布单位

GSO

当前最新

GSO ISO 13937-4:2012

 

 

适用范围

This Part of EN ISO 13937 describes a double-tear method known as the tongue test, using a test specimen with cuts shaped to form a tongue. The tear force measured is the force required to propagate the previously started double tears when the force is applied parallel to the cuts and the fabric tears in the direction of the applied force. The test is mainly applicable to woven textile fabrics. It may be applicable to fabrics produced by other techniques, e.g. to some nonwovens (with the same under-mentioned restrictions as for the woven fabrics). In general the method is not applicable to knitted fabrics and woven elastic fabrics. The method only allows the use of constant-rate-of-extension (CRE) testing machines. NOTE 1: For other tear test methods using tensile-testing machines part 2 of EN ISO 13937 describes a method known as trouser test and part 3 a wing test method. Part 1 of EN ISO 13937 describes the ballistic pendulum (Elmendorf) method. NOTE 2: For the trapezoidal test methods see ISO 9073-4 for nonwovens or ISO 4674 for coated fabrics.

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