ASTM D5424电缆或光缆中绝缘材料在立式电缆槽结构中燃烧时的烟雾遮蔽性标准试验方法
日期:2012-02-07 17:59
e specimens are allowed to burn freely under well ventilated conditions after ignition by means of a propane gas burner.
Smoke obscuration quantifies the visibility in fires.
This test method is also suitable for measuring the rate of heat release as an optional measurement. The rate of heat release often serves as an indication of the intensity of the fire generated.
Other optional fire-test-response characteristics that are measurable by this test method are useful to make decisions on fire sa
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