ASTM E1995用单独密闭室圆锥形辐射源和水平导向试样测量烟雾不透明度的试验方法
日期:2012-02-08 12:00
ons other than those specified. Moreover, as with many smoke obscuration test methods, the correlation with measurements by other test methods has not been established.
The current smoke density chamber test, Test Method E 662, is used by specifiers of floor coverings and in the rail transportation industries. The measurement of smoke obscuration is important to the researcher and the product development scientist. This test method, which incorporates improvements over Test Method E 662, also wi
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