$10
Testing method and judging rule of safety to friction spark of metallic material for coal mine
煤炭行业煤矿安全标准化技术委员会通风技术及设备分会
本标准规定了煤矿用金属材料摩擦火花安全性试验的试验条件、试验步骤、结果表述、判定规则及送检要求。
本标准适用于煤矿用金属材料的摩擦火花安全性试验,其他类似爆炸性危险环境中的金属材料摩擦火花安全性试验可参照本标准执行。
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