二氧化硅98%,密度220g/cm3,等级超白石英砂,规格0.5-1mm,1-2mm,4-8MM,8-16mm,16-32mm,4-6目,6-10目,10-20目,20-40目,40-80目,80-100目,100-120目,325目,600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