SiO2含量99%,容重1.75t/m3,可溶率0.4%,莫氏硬度7,磨损率0.3%,耐强酸,沸点2550℃,破碎率0.35%,耐碱性能良好,溶点1480℃,灰粉率0.25%,Zn含量0.005%,比重2.67,空隙率 43%。
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