The processing requirements for frac sands are similar to glass sand, with industry standard specifications requiring particles be relatively free of other minerals and impurities that affect the crush and acid solubility of the sand. The industry standards also require that the sand particles be spherical to make them more resistant to crushing or fragmenting. The grinding action within an attrition scrubber rounds off square edges, and the machine is ideal for meeting the processing needs for glass and frac sand production.
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