... 4.0-4.2/4.2-4.3 Size:0~200mm S.G 4.3 API13A oil drilling barite lump Specification: ... mineral that content much BaSO4, it is very difficult to dissolve in water and acid, it is non-toxin, ... can absorb X radial and Y radial that mainly use to heavy the mud of artesian well, fine the glass ... , help to dissolve, pack the rubber, plastic and oil paintApplicationwe can ...