石棉膠管的耐高溫性能
石棉膠管制作石棉橡膠板的石棉資料有溫石棉、藍石棉(青石棉)兩種。
石棉膠管溫石棉歸于蛇紋石類石棉,石棉膠管其主要成分是含有約13%結晶水的鎂硅酸鹽,石棉膠管它耐(nai)熱(re)、耐(nai)堿性好,抗拉強度高,耐(nai)酸功(gong)能較差(cha),大多數石(shi)(shi)(shi)棉(mian)(mian)(mian)橡膠(jiao)板(ban)(ban)都由它制作。藍(lan)石(shi)(shi)(shi)棉(mian)(mian)(mian)歸(gui)于角閃石(shi)(shi)(shi)類石(shi)(shi)(shi)棉(mian)(mian)(mian),主要成分是(shi)含有2.5~3.5%結晶水的硅酸鹽,氧(yang)化鎂成分極微,氧(yang)化鐵約占18~24%。藍(lan)石(shi)(shi)(shi)棉(mian)(mian)(mian)不只耐(nai)熱(re)功(gong)能好,并且耐(nai)酸功(gong)能也好,故(gu)多被用于制作耐(nai)酸石(shi)(shi)(shi)棉(mian)(mian)(mian)橡膠(jiao)板(ban)(ban)。