
May 16, 2018 Silica sand, also known as quartz sand, is mainly composed of silica( SiO2), which is the main raw material for making glass.Silica sand has ordinary silica sand, refined silica sand and high purity silica sand. The content of silica in ordinary silica sand is between 90% and 99%, the content of iron oxide is less than 0.02%, the content of silica in refined silica sand is between 99% Quartz SandSilica Sand purification is removal of a small amount of impurities and the high difficulty separation technique to obtain refined Quartz SandSilica Sand or high purity Quartz SandSilica Sand. The purification technologies of Quartz SandSilica Sand at home and abroad are washing, classifying desliming ...