S.G 4.2 oil drilling grade api barite powder BaSO4 (dry base) 90~94%min ... .2-4.3 Size:0~200mm S.G 4.2 oil drilling grade api barite powder Specification:BaSO4 : 90-94%Si02 : 3 ... , help to dissolve, pack the rubber, plastic and oil paintApplicationwe can supply all kinds of barite as follows: oil drilling barite ,chemical barite,white ...