Flourspar
Granulated blast furnace slags,furnace slags
Quartz gritz and quartz powder, quartz gritz, quartz powder
Precipitated silica, silica sand
Ball clay, kaolin, silica sand, feldspar
Rock phosphate 34, rock phosphate
Recycling various secondary materials including refinery, syngas and petrochemical spent catalysts, plating sludges, boiler residues, power station fly ashes, production wastes