BS 476-4:1970建筑材料和构件不燃性测试
日期:2012-04-09 16:02
测试是为不管有没上涂层的建筑材
料准备的，但不是单独适用于涂层。
BS 476-4:1970(AMD 1983) Fire tests in building materials and structures Part 4:
Non-combustibility test for materials: This British Standard, a part of the BS 476 series,
specifies a method of test for determining whether building materials are non-combustible
within the meaning of the definition.
Materials used in the construction and finishing of buildings or structures are classified
non-combustible or combustible according to th
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