ASTM D4804测定非硬质固体塑料易燃性的标准试验方法
日期:2012-02-07 16:45
ng times are determined upon removal of the test flame.
1.2 The classification system described in Appendix X1 is intended for quality assurance and the preselection of component materials for products.
1.3 This standard measures and describes the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire co
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