石英是無機非金屬礦物，主要成分是二氧化硅，為透明或半透明的晶體，一般為無色或乳白色，質地堅硬，常含有少量雜質成分，如鋁、鉀、鈉、鋰等。石英制品主要是指對石英礦石進行復雜加工而做成的產品，主要包括大口徑石英管、石(shi)(shi)英(ying)(ying)棒、石(shi)(shi)英(ying)(ying)砂、石(shi)(shi)英(ying)(ying)片、石(shi)(shi)英(ying)(ying)砣(tuo)、石(shi)(shi)英(ying)(ying)舟、石(shi)(shi)英(ying)(ying)坩堝等。由于具有良好的(de)透(tou)光(guang)性(xing)能(neng)、耐熱性(xing)能(neng)、電(dian)學性(xing)能(neng)及化(hua)學穩定性(xing)，石(shi)(shi)英(ying)(ying)制(zhi)品作為(wei)重要的(de)基礎材料(liao)被廣(guang)泛運用于電(dian)光(guang)源、半導體、光(guang)伏、光(guang)通(tong)信、激光(guang)技(ji)術(shu)、航天技(ji)術(shu)和軍事(shi)技(ji)術(shu)等行業。

    電光源石英管主要(yao)運(yun)用(yong)于照明行業及特種光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)行業。電(dian)(dian)(dian)光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)產品一(yi)般分(fen)為(wei)熱(re)(re)輻射光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)、氣(qi)體(ti)(ti)放電(dian)(dian)(dian)光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)和半(ban)導(dao)體(ti)(ti)光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)三大類。熱(re)(re)輻射光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)是利(li)用(yong)物體(ti)(ti)通(tong)電(dian)(dian)(dian)加(jia)熱(re)(re)至高溫時輻射發(fa)光(guang)(guang)(guang)(guang)原理制(zhi)成，常(chang)用(yong)的(de)(de)(de)有白熾(chi)燈(deng)、鹵素燈(deng)；氣(qi)體(ti)(ti)放電(dian)(dian)(dian)光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)是利(li)用(yong)電(dian)(dian)(dian)流通(tong)過氣(qi)體(ti)(ti)時發(fa)光(guang)(guang)(guang)(guang)的(de)(de)(de)原理制(zhi)成，常(chang)見的(de)(de)(de)有熒光(guang)(guang)(guang)(guang)燈(deng)及HID燈(deng)等；最后一(yi)類半(ban)導(dao)體(ti)(ti)電(dian)(dian)(dian)光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)利(li)用(yong)固體(ti)(ti)半(ban)導(dao)體(ti)(ti)芯片作為(wei)發(fa)光(guang)(guang)(guang)(guang)材(cai)料，常(chang)見的(de)(de)(de)有LED燈(deng)。在上述三大類電(dian)(dian)(dian)光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)中(zhong)，HID燈(deng)與鹵素燈(deng)是電(dian)(dian)(dian)光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)石英管主要(yao)的(de)(de)(de)下游應用(yong)領(ling)域。除(chu)此之外，電(dian)(dian)(dian)光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)石英管還(huan)廣泛運(yun)用(yong)于殺菌設(she)備和加(jia)熱(re)(re)電(dian)(dian)(dian)器等特種光(guang)(guang)(guang)(guang)源(yuan)(yuan)(yuan)(yuan)產品。

    高純(chun)(chun)石英砂用途廣泛，主要運用于電(dian)光(guang)(guang)(guang)源、光(guang)(guang)(guang)伏及半導(dao)體(ti)(ti)等(deng)行(xing)(xing)業(ye)(ye)，由高純(chun)(chun)石英砂生(sheng)產(chan)(chan)(chan)的(de)石英管、單(dan)晶石英坩(gan)堝(guo)(guo)及石英器件等(deng)石英制品(pin)，是電(dian)光(guang)(guang)(guang)源行(xing)(xing)業(ye)(ye)中生(sheng)產(chan)(chan)(chan)高端(duan)照明產(chan)(chan)(chan)品(pin)（如金鹵(lu)燈）、光(guang)(guang)(guang)伏行(xing)(xing)業(ye)(ye)及半導(dao)體(ti)(ti)行(xing)(xing)業(ye)(ye)生(sheng)產(chan)(chan)(chan)單(dan)晶硅過程中不可或缺的(de)重要支撐材料。石英股(gu)份(fen)目(mu)前生(sheng)產(chan)(chan)(chan)的(de)高純(chun)(chun)石英砂產(chan)(chan)(chan)品(pin)，除供自(zi)身生(sheng)產(chan)(chan)(chan)高端(duan)電(dian)光(guang)(guang)(guang)源石英管外，主要用于光(guang)(guang)(guang)伏行(xing)(xing)業(ye)(ye)生(sheng)產(chan)(chan)(chan)單(dan)晶石英坩(gan)堝(guo)(guo)。