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a类火灾的物质有哪些
更新时间： 2021-12-10 14:21:16  

１、Ａ类火灾：指固体物质火灾。这种物质往往具有有机物质性质，一般在燃烧时产生灼热的余烬。如木材、煤、棉、毛、麻、纸张等火灾。

２、Ｂ类火灾：指液体火灾和可熔化的固体物质火灾。如汽油、煤油、柴油、原油，甲醇、乙醇、沥青、石蜡等火灾。

３、Ｃ类火灾：指气体火灾。如煤气、天然气、甲烷、乙烷、丙烷、氢气等火灾。

关键词： 火灾 物质 哪些

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