建(jian)筑石膏簡(jian)介

建筑石(shi)(shi)(shi)(shi)膏(gao)，是二水(shui)石(shi)(shi)(shi)(shi)膏(gao)在一(yi)定溫度下(xia)加(jia)熱脫水(shui)，并磨細制(zhi)成的(de)(de)(de)(de)(de)以β-半(ban)水(shui)石(shi)(shi)(shi)(shi)膏(gao)為主(zhu)要組成的(de)(de)(de)(de)(de)氣硬性(xing)膠(jiao)凝材(cai)料。廣泛應(ying)用于各類石(shi)(shi)(shi)(shi)膏(gao)板、石(shi)(shi)(shi)(shi)膏(gao)砌(qi)塊粉刷石(shi)(shi)(shi)(shi)膏(gao)、模(mo)型石(shi)(shi)(shi)(shi)膏(gao)等石(shi)(shi)(shi)(shi)膏(gao)制(zhi)品(pin)。生產β型半(ban)水(shui)石(shi)(shi)(shi)(shi)膏(gao)的(de)(de)(de)(de)(de)原(yuan)料主(zhu)要為含(han)(han)硫酸鈣(gai)的(de)(de)(de)(de)(de)天然石(shi)(shi)(shi)(shi)膏(gao)（又(you)稱(cheng)生石(shi)(shi)(shi)(shi)膏(gao)）或含(han)(han)硫酸鈣(gai)的(de)(de)(de)(de)(de)化工(gong)副產品(pin)和磷石(shi)(shi)(shi)(shi)膏(gao)、氟石(shi)(shi)(shi)(shi)膏(gao)等廢渣，其(qi)化學式為CaSO4.2H2O，也稱(cheng)二水(shui)石(shi)(shi)(shi)(shi)膏(gao)。將(jiang)二水(shui)石(shi)(shi)(shi)(shi)膏(gao)在不同(tong)的(de)(de)(de)(de)(de)溫度下(xia)煅燒可得(de)到(dao)不同(tong)的(de)(de)(de)(de)(de)石(shi)(shi)(shi)(shi)膏(gao)品(pin)種。如(ru)將(jiang)二水(shui)石(shi)(shi)(shi)(shi)膏(gao)在107~170℃的(de)(de)(de)(de)(de)干燥條件下(xia)加(jia)熱可得(de)建筑石(shi)(shi)(shi)(shi)膏(gao)。