Silica Sand
The purity of the silica sand used plays a role in determining the colour, strength and clarity of the final product. The most common form of SiO2 is quartz – a chemically inert and relatively hard mineral. SiO2 grades at a 7 out of 10 on Mohs hardness scale, making it ideal for use as filtration media and abrasive blasting sands. ...
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