大量供应石英砂,氧化硅95.58%,氧化铁0.10%,氧化铝2.09%,氧化钙0.72%,氧化镁0.83%,烧白度79.70
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