片(pian)堿(jian)性(xing)狀是白色半透明(ming)片(pian)狀固體，片(pian)堿(jian)是基本化(hua)工(gong)(gong)(gong)(gong)原料(liao)，廣(guang)泛用于(yu)造紙(zhi)、合成洗滌(di)及(ji)肥皂(zao)(zao)、粘膠纖(xian)維、人造絲及(ji)綿織品(pin)等(deng)輕(qing)紡(fang)工(gong)(gong)(gong)(gong)業(ye)(ye)方(fang)(fang)面，農(nong)藥、染(ran)料(liao)、橡膠和化(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)方(fang)(fang)面、石油(you)鉆探，精煉(lian)石油(you)油(you)脂和提煉(lian)焦油(you)的石油(you)工(gong)(gong)(gong)(gong)業(ye)(ye)，以(yi)及(ji)國防工(gong)(gong)(gong)(gong)業(ye)(ye)、機械工(gong)(gong)(gong)(gong)業(ye)(ye)、木材加工(gong)(gong)(gong)(gong)、冶金(jin)工(gong)(gong)(gong)(gong)業(ye)(ye)，醫(yi)藥工(gong)(gong)(gong)(gong)業(ye)(ye)及(ji)城市建設等(deng)方(fang)(fang)面。還用于(yu)制(zhi)造化(hua)學品(pin)、紙(zhi)張、肥皂(zao)(zao)和洗滌(di)劑、人造絲和玻(bo)璃紙(zhi)，加工(gong)(gong)(gong)(gong)鋁(lv)礬土(tu)制(zhi)氧化(hua)鋁(lv)，還用于(yu)紡(fang)織品(pin)的絲光處，水處理等(deng)。