二氧化硅98%,熔点1750℃,莫氏硬度7,密度2.65g/cm3,规格0.5-1mm,1-2mm,2-4mm,4-8MM,8-16mm,16-32mm,4-6目,6-10目,10-20目,40-80目,80-100目。
硅99.95%,铝0.006%,铁0.0053%,镁0.0012%,钙0.009%,钾0.0069%,白度96
硅99.26%,铝0.14%,铁0.26%,钠0.13%
硅99.2%,铝0.37%,铁0.316%
硅99.5%,铁0.05%
40-140目,铁100ppm
4N高纯石英砂,70-140目,硅99.991%,白度93