适合冶炼金属硅、高纯硅铁、园林绿化、陶瓷原料等,硅≥99%,铁≤0.1%,铝≤0.1%,钙≤0.1%
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