自貢電熔鎂砂主(zhu)要有三大種類(lei)；一、普通電(dian)熔(rong)(rong)鎂砂(sha)，二、低(di)硅高鈣電(dian)熔(rong)(rong)鎂砂(sha)，三、大結晶電(dian)熔(rong)(rong)鎂砂(sha)；  

1、普通電熔鎂砂產品主要是選用47%以上含量菱鎂石或輕燒鎂砂為主要原料在電弧中高溫熔融而成。方鎂石晶粒大，結構致密，抗渣性強，高溫體積穩定性優越。電熔鎂砂的主(zhu)要用途(tu)：電熔鎂砂主(zhu)要是用于堿性磚、含碳制品和(he)不定型(xing)耐火(huo)材料(liao)的良好原料(liao)。

 2、低(di)硅高鈣(gai)電熔(rong)(rong)(rong)(rong)鎂砂產品主(zhu)要是(shi)(shi)選用低(di)硅菱(ling)鎂石為原料(liao)，經高溫電熔(rong)(rong)(rong)(rong)爐(lu)熔(rong)(rong)(rong)(rong)煉而成的。其特點是(shi)(shi)鈣(gai)硅比大于(yu)(yu) 2 ，晶粒發育充分，顆料(liao)體積(ji)密度大于(yu)(yu) 3.50g/cm3以上。低(di)硅高鈣(gai)點熔(rong)(rong)(rong)(rong)鎂砂主(zhu)要用于(yu)(yu)中(zhong)頻(pin)感應電爐(lu)熔(rong)(rong)(rong)(rong)煉、高錳鋼(gang)(gang)、不銹鋼(gang)(gang)、高鑼鋼(gang)(gang)、堿性磚、含碳制品和不定型耐火材料(liao)的良好原料(liao)。

3、大(da)結(jie)晶(jing)(jing)電(dian)(dian)熔(rong)鎂(mei)砂(sha)生產(chan)工(gong)藝：大(da)結(jie)晶(jing)(jing)電(dian)(dian)熔(rong)鎂(mei)砂(sha)主要(yao)是(shi)選用(yong)精(jing)選的特級天然菱鎂(mei)石或優質高(gao)(gao)(gao)(gao)純(chun)輕(qing)燒鎂(mei)顆(ke)粒(li)(li)，在電(dian)(dian)弧爐中熔(rong)融制得(de)。該產(chan)品具有(you)純(chun)度高(gao)(gao)(gao)(gao)，結(jie)晶(jing)(jing)粒(li)(li)大(da)，結(jie)構致(zhi)密，抗(kang)(kang)(kang)渣性(xing)(xing)強(qiang)，熱(re)(re)震(zhen)穩(wen)定(ding)(ding)性(xing)(xing)好(hao)(hao)，是(shi)一種優良(liang)的高(gao)(gao)(gao)(gao)溫電(dian)(dian)氣絕(jue)緣材料，也(ye)是(shi)制作鎂(mei)磚，鎂(mei)碳磚及不(bu)定(ding)(ding)型(xing)耐火材料的重要(yao)原料。廣泛(fan)應用(yong)于冶(ye)金、化工(gong)、國(guo)防(fang)、科研、航天航空、家用(yong)電(dian)(dian)器元件等。 大(da)結(jie)晶(jing)(jing)電(dian)(dian)熔(rong)鎂(mei)砂(sha)產(chan)品特性(xing)(xing)：純(chun)度高(gao)(gao)(gao)(gao)、結(jie)晶(jing)(jing)粒(li)(li)大(da)熔(rong)、點高(gao)(gao)(gao)(gao)結(jie)、構致(zhi)密；熱(re)(re)震(zhen)穩(wen)定(ding)(ding)性(xing)(xing)好(hao)(hao)；具有(you)良(liang)好(hao)(hao)的高(gao)(gao)(gao)(gao)溫抗(kang)(kang)(kang)折(zhe)強(qiang)度；具有(you)良(liang)好(hao)(hao)的抗(kang)(kang)(kang)渣性(xing)(xing)能(neng)和抗(kang)(kang)(kang)腐蝕性(xing)(xing)能(neng)；導熱(re)(re)性(xing)(xing)能(neng)強(qiang)、高(gao)(gao)(gao)(gao)度絕(jue)緣。