ASTM D4986多孔聚合材料水平燃烧 – 标准名称
ASTM D4986 Standard Test Method for Horizontal Burning Characteristics of Cellular Polymeric Materials
ASTM D4986多孔聚合材料的水平燃烧特性的标准试验方法

ASTM D4986多孔聚合材料水平燃烧 – 适用范围
本防火试验响应标准包含一种小型实验室程序的试验方法，用于测定密度小于250 kg/m3的水平定向多孔聚合材料的相对燃烧速率、燃烧程度和燃烧时间。

结果旨在作为一个初步的迹象，表明它们在特定应用中的可育性方面的可接受性。材料的最终验收取决于其在最终产品中的使用，并符合适用于此类最终产品的标准。

附录XI中描述的分类系统用于质量保证和产品组件材料的预选。

本标准测量并描述了材料、产品或组件在受控条件下对热量和火焰的响应，但其本身并未包含实际火灾条件下材料、产品或组件火灾危险性评估所需的所有因素。

This fire-test-response standard contains a test method for small-scale laboratory procedures to be used to determine the relative rate of burning and the extent and time of burning of horizontally oriented cellular polymeric materials having a density less than 250 kg/m3.

The results are intended to serve as a preliminary indication of their acceptability with respect to flammability for a particular application. The final acceptance of the material is dependent upon its use in the end-product that conforms with the standards applicable to such end-product.

The classification system described in the Appendix XI is intended for quality assurance and the preselection of component materials for products.

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