1.1 本试验方法包括测量应用于某些绒线地板覆盖物的二次背衬的抗分层性。 1.2 本试验方法适用于所有衬垫，包括天然制造的纤维或附着的衬垫。 1.3 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 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 本测试方法用于商业装运的验收测试。按照中的指示进行比较测试 5.2 可能是可取的。 5.2 如果使用本试验方法时因报告试验结果的差异而产生争议，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，双方应尽可能从大量相关类型的材料中抽取一组同质的试样。然后，应将测试样本以相同数量随机分配给每个实验室进行测试。在开始测试之前，应使用未配对数据的统计测试和双方选择的可接受概率水平来比较两个实验室的平均结果。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在考虑已知偏差的情况下解释未来的测试结果。 5.3 该测试方法有助于评估绒线地板覆盖物制造过程中的质量和成本控制。二次背衬的分层会影响桩地板覆盖层的外观和性能。

1.1 This test method covers the measurement of the resistance to delamination of the secondary backing applied to some pile yarn floor coverings. 1.2 This test method is applicable to all backings including natural manufactured fibers or attached cushion. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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 used for acceptance testing of commercial shipments. Comparative tests as directed in 5.2 may be advisable. 5.2 In a 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 a group of test samples that are as homogenous as possible and are from a lot of material of the type in question. The test samples then should be assigned randomly in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using a statistical test for unpaired data and an acceptable probability level chosen by the two parties before 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 with consideration to the known bias. 5.3 This test method is useful to evaluate quality and cost control during the manufacture of pile yarn floor covering. Both appearance and performance of the pile floor covering can be affected by delamination of the secondary backing.