1.1 本试验方法涵盖了当发生桩凝灰岩损失时，桩织物磨损的测定，有时称为桩保持或桩拔出。它包括两个过程: 1.1.1 程序A- “重载”程序描述了240克/米以上织物的测试选项 2. （7盎司/码 2. )或应满足重型最终使用条件的织物。 1.1.2 程序B- “轻负荷”程序描述了240克/米以下织物的测试选项 2. （7盎司/码 2. )或应满足轻型最终使用条件的织物。 1.2 本试验方法适用于常规无纹机织灯芯绒或其他机织绒布结构。 1.3 以国际单位制或英寸-磅单位表示的数值应单独视为标准值。每个系统中规定的值不一定是精确的等价物；因此，为确保符合本标准，每个系统应独立使用，且两个系统的值不得组合。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 该试验方法被认为适用于质量控制试验和商业装运验收。 5.1.1 如果使用本试验方法时，由于报告的试验结果不同而引起争议，买方和供应商应进行比较试验，以确定其实验室之间是否存在统计偏差。 建议为调查偏差提供称职的统计协助。作为最低要求，双方应从所述类型的材料批次中抽取试样。然后，应将试样以相同数量随机分配给每个实验室进行测试。两个实验室的平均结果应使用student t检验对未配对数据进行比较，并在测试开始前由双方选择一个可接受的概率水平。如果发现偏差，必须找到并纠正其原因，或者买方和供应商必须同意根据已知偏差解释未来的测试结果。 5.2 整理和织物表面的变化可能会对灯芯绒的留绒产生很大影响。因此，可能需要在清洗或干洗之前和之后进行测试，或同时进行测试。 5.3 在这种测试方法中，织物正面和背面的单独测试很重要，因为桩拉力- 脱出可能是由于表面或背部的磨蚀作用。对于许多起绒织物，特别是灯芯绒织物，在背面磨损时，起绒保持性能较差。

1.1 This test method covers the determination of the abrasion of pile fabrics when the loss of pile tuffs occur, sometimes called pile retention or pile pull out. It includes two procedures: 1.1.1 Procedure A— The “Heavy Duty” procedure describes the test option for fabrics over 240 g/m 2 (7 oz/yd 2 ) or fabrics which should meet heavy duty end-use conditions of wear. 1.1.2 Procedure B— The “Light Duty” procedure describes the test option for fabrics under 240 g/m 2 (7 oz/yd 2 ) or fabrics which should meet light duty end-use conditions of wear. 1.2 The test method is intended for both regular, ribless woven corduroy or other woven pile fabric constructions. 1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 This test method is considered satisfactory for quality control testing and commercial shipment acceptance. 5.1.1 In case of a dispute arising from differences in reported test results when using this test method, the purchaser and the supplier should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take test specimens that are from the lot of material of the type in question. The test specimens should then be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using student's t-test for unpaired data and an acceptable probability level chosen by the two parties before the testing is begun. If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in the light of the known bias. 5.2 Finishes and changes in fabric surfaces may exert a large effect on pile retention of corduroy. Therefore, it may be desirable to test before as well as after laundering or drycleaning, or both. 5.3 The separate testing of specimens on the face and back of the fabric is important in this test method since the pile pull-out may be due to abrasive action on either the face or back. With many pile fabrics, specifically corduroy constructions, pile retention properties are worse when abraded on the back.