ASTM E84建筑材料表面燃烧特性标准试验方法
日期:2012-02-08 12:07
ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials
ASTM E84建筑材料表面燃烧特性标准试验方法
This test method is intended to provide only comparative measurements of surface flame spread and smoke density measurements with that of select grade red oak and fiber-cement board surfaces under the specific fire exposure conditions described herein.
This test method exposes a nominal 24-ft (7.32-m) long by 20-in. (508-mm) wide specimen to a controlled air flow and
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