石英板材码�/h1>
石英砂是石英石经破碎加工而成的石英颗粒，石英砂是重要的工业矿物原料，广泛用于
玻璃、铸造、陶瓷及耐火材料、冶炼硅铁、冶金熔剂、冶金、建筑、化工、塑料、橡胶、磨料等工业、�/span>
石英砂是一种坚硬、耐磨、化学性能稳定的硅酸盐矿物，其主要矿物成分是SiO2 ，石
英砂的颜色为乳白色、或无色半透明状，硬度7，性脆无解理，贝壳状断口，油脂光泽，密度为2.65，堆积密度（1-20目为1.6），20-200目为1.5，其化学、热学和机械�?/span>
能具有明显的异向性，不溶于酸，微溶于KOH溶液，熔�?750℃、�/span>

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