ASTM E2058用火焰蔓延仪(FPA)测量合成聚合物材料易燃性的标准试验方法
日期:2012-02-08 10:25
/m2 to the test specimen, which remains constant whether the surface regresses or expands; provision for combustion or upward fire propagation in prescribed flows of normal air, air enriched with up to 40 % oxygen, air oxygen vitiated, pure nitrogen or mixtures of gaseous suppression agents with the preceding air mixtures; and, the capability of measuring heat release rates and exhaust product flows generated during upward fire propagation on a vertical test specimen 0.305 m high.
1.4 The FPA is
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09/03 12:07