砂(sha)(sha)漿是建(jian)筑上砌磚(zhuan)使用(yong)的黏結物質，由一(yi)定比例的沙子(zi)和膠結材料（水(shui)泥(ni)、石(shi)灰膏(gao)、黏土等）加水(shui)和成，也叫灰漿，也作砂(sha)(sha)漿。砂(sha)(sha)漿常用(yong)的有水(shui)泥(ni)砂(sha)(sha)漿、混合(he)砂(sha)(sha)漿（或叫水(shui)泥(ni)石(shi)灰砂(sha)(sha)漿）、石(shi)灰砂(sha)(sha)漿和粘土砂(sha)(sha)漿。

海南砂漿公司用(yong)(yong)無機(ji)膠凝材(cai)料(liao)與細集料(liao)和(he)水(shui)按(an)比例(li)拌和(he)而成(cheng)，也稱(cheng)(cheng)灰(hui)(hui)漿。用(yong)(yong)于砌(qi)筑和(he)抹灰(hui)(hui)工(gong)程，可分為砌(qi)筑砂(sha)漿和(he)抹面(mian)砂(sha)漿，前者(zhe)用(yong)(yong)于磚、石(shi)(shi)(shi)塊、砌(qi)塊等的(de)(de)砌(qi)筑以(yi)及(ji)構件安裝(zhuang)；后者(zhe)則(ze)用(yong)(yong)于墻面(mian)、地面(mian)、屋(wu)面(mian)及(ji)梁柱結構等表面(mian)的(de)(de)抹灰(hui)(hui)，以(yi)達到防護(hu)和(he)裝(zhuang)飾等要求(qiu)。普通砂(sha)漿材(cai)料(liao)中(zhong)(zhong)還(huan)有的(de)(de)是用(yong)(yong)石(shi)(shi)(shi)膏(gao)、石(shi)(shi)(shi)灰(hui)(hui)膏(gao)或(huo)粘土摻(chan)加(jia)纖維(wei)性(xing)增(zeng)強材(cai)料(liao)加(jia)水(shui)配(pei)制成(cheng)膏(gao)狀物，稱(cheng)(cheng)為灰(hui)(hui)、膏(gao)、泥或(huo)膠泥。常(chang)用(yong)(yong)的(de)(de)有麻刀灰(hui)(hui)（摻(chan)入(ru)麻刀的(de)(de)石(shi)(shi)(shi)灰(hui)(hui)膏(gao)）、紙(zhi)(zhi)筋(jin)灰(hui)(hui)（摻(chan)入(ru)紙(zhi)(zhi)筋(jin)的(de)(de)石(shi)(shi)(shi)灰(hui)(hui)膏(gao)）、石(shi)(shi)(shi)膏(gao)灰(hui)(hui)（在熟石(shi)(shi)(shi)膏(gao)中(zhong)(zhong)摻(chan)入(ru)石(shi)(shi)(shi)灰(hui)(hui)膏(gao)及(ji)紙(zhi)(zhi)筋(jin)或(huo)玻璃纖維(wei)等）和(he)摻(chan)灰(hui)(hui)泥（粘土中(zhong)(zhong)摻(chan)少量石(shi)(shi)(shi)灰(hui)(hui)和(he)麥秸或(huo)稻草）。