Natural Silica Quartz Powder

We are a well known exporter, manufacturer, importer, trader and supplier of Silica Sand Foundry Grade. This specific mineral has extensive applications in glass industry, sand mold casting work, steel furnace making work, rust removal process, pool water filtration job, surface coating, production of bridge concrete and so on. Available in powder form, the salient features of Silica Sand Foundry Grade include its high purity level, glossy appearance, corrosion resistance ability and protection capacity against damaging effects of acid and alkali.
Chemical composition, %by mass
Silica (as sio2) 96.62
Alumina (as Al2O3) 02.31
Iron oxide (Fe2o3) 0.06
Calcium oxide (as Cao) 0.15
Potassium oxide (as K2o) 0.46
Loss on ignition 0.39