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ASTM E662烟密度测试

ASTM E662:2009 Standard test method for specific optical density of smoke generated by solid materials
ASTM E662:2009固体材料产烟量烟密度测试.

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Cable testing for NFPA130:2010/UL 1585/UL 1685/ASTM E 662/BSS7239

NFPA 130: Standard for Fixed Guideway Transit and passenger Rail Systems

As the cable flame spread and burning rate of destruction of the length of the combustion smoke density (light penetration) and the burning of hazardous toxic gas escape on the staff of life play a very important influence. In general, testing cables through these areas to assess.

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