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        石英砂

               石英砂是石英石經破碎加工而成的石英顆粒。石英石是一種非金屬礦物質,是一種堅硬、耐磨、化學性能穩定的硅酸鹽礦物,其主要礦物成分是SiO2。石英砂的顏色為乳白色、或無色半透明狀,莫氏硬度7。
               石英砂是重要的工業礦物原料,非化學危險品,廣泛用于玻璃、鑄造、陶瓷及防火材料、冶煉硅鐵、冶金熔劑、冶金、建筑體育、化工、塑料、橡膠、磨料,濾料等工業。

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