ASTM D2843塑料燃烧或分解所产生的烟雾密度的标准试验方法
日期:2012-02-10 11:20
al and instrumental observations from this test compare well with the visual observations of the smoke generated by plastic materials when added to a freely burning large outdoor fire.
The usefulness of this test procedure is in its ability to measure the amount of smoke obscuration produced in a simple, direct, and meaningful manner under the specified conditions. The degree of obscuration of vision by smoke generated by combustibles is known to be affected by changes in quantity and form of m
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08/30 14:33