High Grade Barite Powder 97% for Painting BaSO4: 97%Min Whiteness:88 ... ,525Mesh,2500Mesh Barite PowderBarite, barytes barium or heavy spar, a white, yellow, blue, red, or colorless mineral. It is a ... thixotropic mud for sealing oil wells during drilling. Prime white, a bleached barite, is used as a pigment in ... white paint but is not as satisfactory as blanc fixe, ...