建筑石膏簡介(jie)

建(jian)筑石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)，是(shi)二(er)水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)在一定溫(wen)度下(xia)加熱(re)脫水(shui)(shui)(shui)(shui)，并磨(mo)細制成(cheng)的(de)以β-半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)為主要組成(cheng)的(de)氣硬(ying)性膠凝材(cai)料(liao)(liao)。廣泛(fan)應用于各類(lei)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)板、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)砌塊粉刷石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)、模型(xing)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)等石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)制品(pin)(pin)。生(sheng)產(chan)(chan)β型(xing)半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)的(de)原料(liao)(liao)主要為含(han)硫酸鈣(gai)的(de)天然石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)（又(you)稱(cheng)(cheng)生(sheng)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)）或含(han)硫酸鈣(gai)的(de)化工副產(chan)(chan)品(pin)(pin)和(he)磷石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)、氟石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)等廢渣，其化學式為CaSO4.2H2O，也(ye)稱(cheng)(cheng)二(er)水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)。將二(er)水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)在不(bu)同的(de)溫(wen)度下(xia)煅燒可得(de)到不(bu)同的(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)品(pin)(pin)種(zhong)。如將二(er)水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)在107~170℃的(de)干(gan)燥條件下(xia)加熱(re)可得(de)建(jian)筑石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)。