石膏板体积稳定的特性 一般装修材料都怕水，都存在湿胀干缩的现象，但石膏板却可以说是建筑装修各类板材中性能较好的材料。这是因为工业上用石膏是将二水石膏加热，排出结晶水而形成。石膏板加工定型，在燃烧与研磨好的半水石膏中添加水，再次形成二水石膏结构的重要特性。它从石膏浆中分离出呈针毡状结晶体，在干燥过程中，形成了微孔，使石膏建材具有“石膏呼吸”特性，即在空气湿度变化时，可以吸收湿气，也能迅速地再散发出去
一般装修材料都怕水，都存在湿胀干缩的现象，但石膏板却可以说是建筑装修各类板材中性能较好的材料。这是因为工业上用石膏是将二水石膏加热，排出结晶水而形成。石膏板加工定型，在燃烧与研磨好的半水石膏中添加水，再次形成二水石膏结构的重要特性。它从石膏浆中分离出呈针毡状结晶体，在干燥过程中，形成了微孔，使石膏建材具有“石膏呼吸”特性，即在空气湿度变化时，可以吸收湿气，也能迅速地再散发出去 http://blog.news365.com.cn/sp1/beij3d185/0927431049599.shtml
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