规格20-140目,SiO2≥96.55-98.38%,,烧结点≥1750%,含泥量≤0.2-0.3%, 角形系数≤1.35-1.28,集中率≥90.0%, 烧失量≤0.3%,酸耗值2.0-3.5ml。
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