二氧化硅含量99%,熔点1650℃,莫氏硬度7,密度2.65g/cm3,普通石英砂,精制石英砂,规格80-100目,100-120目,325目。
硅>98%,铁0.02%
半透精砂#板材砂#滤料#填充料8-16 16-26 26-40 40-70 70-120
硅>97%
硅99.86%,铝0.03%,铁0.003%
硅99.886%,未酸洗,只做了磁选,未烘干
硅99.50%,铁0.019%,烧白96.6