(Chemical Name: Barium Sulphate (BaSO4) Barium Sulphate Powder is used as filler in paints for oil well drilling. It is widely demanded in electronic industry for manufacturing lead acid batteries. It is ideal to be used in various manufacturing applications and mixed into heavy concrete to serve as a radiation shield. Chemical/Typical composition BaSo4 98 to 99% SiO2 1.2% Fe2O3 0.05% CaO Below 1% Specific Gravity 4.3 Oil Absorption 10-15 % w/w pH 6.5 to 7.5