1.Raw Coal Broken Granular 2.Purifying and treatment of water-plants, industry waste water, golf field.. Main usage:Especially use for purifying and treatment of water-plants, industry waste water, golf field, boiler water, etc. SPECIFICATION – TDS/COA Activated Carbon Raw Coal Broken Granular MaterialsHigh quality coal brokenAppearanceBlack granular, shape, no smell, no sandMethylene Blue Adsorb ...