1) Their types include Moisture Free Silica Sand, White Stone Quartz Silica Sand, Brown Quartz Silica Sand, Natural Quartz Silica Sand, Stone Quartz Silica Sand, White Casting Silica Sand and more. 2) Specifiions; Afs range : 40 to 75 / Clay : % max. / Fineness : % max / Silica content : 97% min / Loss of ignition : % max / Bulk ...
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