1.1 本实施规程描述了当使用试验方法测试用作甲板、楼梯踏板、防护装置或扶手的塑料复合材料以评估火焰蔓延指数作为表面燃烧特性时，样品制备和安装程序 E84 . 1.2 本规程适用于塑料复合材料，包括塑料木材和木塑复合材料。根据试验方法附录A4的规定，试样应为自支撑试样，或通过沿试验表面增加的支架固定在适当位置 E84 . 1.3 此做法未提供可作为监管工具的合格/不合格标准。 1.4 此做法适用于( 一 )自支撑材料( b )不是自支撑的材料，但在整个试验期间，试样通过增加的支撑物固定在适当位置，而不会出现严重的下垂，从而干扰气体火焰对试样的影响。 注1: 段落 1.4 反映了塑料木材规范中包含的要求。 1.5 在裁判裁决中使用以英寸-磅为单位的数值作为标准。括号中给出了国际单位制中的值，仅供参考；看见 IEEE/ASTM SI-10 以了解更多详细信息。 1.6 该消防标准不能用于提供定量措施。 1.7 产品和材料的防火试验具有固有的危险性，在进行这些试验时应为人员和财产提供足够的保护。火灾测试涉及危险材料、操作和设备。 1.8 本规程给出了试样制备和安装的说明，但火灾试验响应方法应按照试验方法进行 E84 。另请参见第节 8. 以获取有关操作员安全的信息。 1.9 本规程正文引用了提供解释性材料的注释和脚注。这些注释和脚注（不包括表和图中的注释和脚注）不应被视为本标准的要求。 1.10 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者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。 1.11 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。 ====意义和用途====== 5.1 根据试验方法对用作甲板、楼梯踏板、防护装置或扶手的塑料复合材料进行评估 E84 以符合建筑或住宅规范的要求。本规程描述了此类材料的试样安装程序。 5.2 待测试的材料应代表实际现场安装中使用的材料。 注2: 试验方法 E84 评估建筑材料的比较燃烧行为。因此，本规程解决了在全宽隧道覆盖的情况下，以使用厚度制备样品和安装材料的问题。 5.3 本程序的限制是与试验方法相关的限制 E84 .

1.1 This practice describes a procedure for specimen preparation and mounting when testing plastic composite materials for use as deck boards, stair treads, guards or handrails to assess flame spread index as a surface burning characteristic using Test Method E84 . 1.2 This practice applies to plastic composite materials, including plastic lumber and wood-plastic composites. The test specimens shall be self-supporting or held in place by added supports along the test surface, in accordance with Annex A4 of Test Method E84 . 1.3 This practice does not provide pass/fail criteria that can be used as a regulatory tool. 1.4 This practice is applicable to ( a ) materials that are self-supporting and ( b ) materials that are not self-supporting but where the test specimen is held in place by added supports throughout the test duration without such severe sagging that it interferes with the effect of the gas flame on the test specimen. Note 1: Paragraph 1.4 reflects requirements contained in plastic lumber specifications. 1.5 Use the values stated in inch-pound units as the standard in referee decisions. The values in the SI system of units are given in parentheses, for information only; see IEEE/ASTM SI-10 for further details. 1.6 This fire standard cannot be used to provide quantitative measures. 1.7 Fire testing of products and materials is inherently hazardous and adequate safeguards for personnel and property shall be employed in conducting these tests. Fire testing involves hazardous materials, operations and equipment. 1.8 This practice gives instructions on specimen preparation and mounting but the fire-test-response method shall be conducted in accordance with Test Method E84 . See also Section 8 for information on operator safety. 1.9 The text of this practice references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered requirements of the standard. 1.10 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. 1.11 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 Plastic composite materials for use as deck boards, stair treads, guards or handrails are evaluated in accordance with Test Method E84 to comply with building or residential code requirements. This Practice describes specimen mounting procedures for such materials. 5.2 The material to be tested shall be representative of the materials used in actual field installations. Note 2: Test Method E84 assesses the comparative burning behavior of building materials. Thus, this practice addresses specimen preparation and mounting of materials at use thickness, with full width tunnel coverage. 5.3 The limitations for this procedure are those associated with Test Method E84 .