ISO 13937-3-2000 纺织品 织物撕破特性 第3部分:翼形试样撕破强力的测定(单舌法)
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标准号:ISO 13937-3-2000
中文标准名称:纺织品 织物撕破特性 第3部分:翼形试样撕破强力的测定(单舌法)
英文标准名称:Textiles - Tear properties of fabrics - Part 3: Determination of tear force of wing-shaped test specimens (Single tear method)
标准类型:W04
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:W04
国际标准分类号:59.080.30
适用范围:This Part of EN ISO 13937 describes a single tear method to determine fabric tear force, known as the wing test using a test specimen cut to form two wings for clamping inclined at a defined angle to the thread direction. The tear force measured is the force required to propagate a previously started tear.
The test is mainly applicable to woven textile fabrics. It may be applicable to fabrics produced by other techniques. Due to the clamping of the specimen wings inclined to the threads to be torn the test can be used for most types of fabrics without causing a transfer of tear and it is less susceptible to withdrawal of threads than other tear tests.
In general the method is not applicable to knitted fabrics, woven elastic fabrics and nonwovens, to which the trapezoidal test method is preferably applied (Note 2).
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 the trouser test and part 4 the tongue test method. Part 1 of EN ISO 13937 describes the ballistic pendulum (Elmendorf) method.
NOTE 2: For trapezoidal test methods, see ISO 9073-4 for nonwovens or ISO 4674 for coated fabrics.
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