Prodorite anti corrosive ltd produces wide range of acid proof cement and frp fabrication systems. This is an iso 9001-2000 certified company. Sulphur cement is a part of those products. Sulphur cement is acid resistant, including oxidizing acids and hydrofluoric acid. It has a poor resistance to alkalis. Sulphur cement is used in stainless steel pickling tanks to withstand hf and hno3 acids.