SILLCA SAND VASAI Sativali Minerals Grind Company
Aluminium sulphate hydrate is commonly marketed in the technical or. commercial grade The commercial grade is dissoluble both as Alum or granular. solid containing 17 to 17.5% Al2O3 and as a solution containing 7.5 to 8.5% Al2O3. In the USA, it is usually produced by reacting bauxite or clay with sulphuric acid