ASTM D3874用电热丝法测量材料着火性的标准试验方法
日期:2012-02-10 17:48
en, during the wire-wrapping step, to a degree visible to the eye.
1.3.2 Visible indentation of the wrapped wire into the specimen.
1.4 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only. (See for further details.)
1.5 This test method measures and describes the response or materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for f
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01/01 10:46