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產(chǎn)品描述
High purity quartz sand: SiO 2 (> 99.5-99.9%) FeO 3 (< 0.005%) is made of 1-3 grade natural crystals and high quality natural stones, which are carefully selected and processed. The granularity range is 1-0.5 mm, 0.5-0.1 mm, 0.1-0.01 mm and 0.01-0.005 mm, which can be produced according to the user's requirements.