S.G 4.2 for oil mud API13a barite powder , barite lump BaSO4 90~94% ... -4.3 Size:powder / lump S.G 4.2 for oil mud API13a barite powder , barite lump Specification:BaSO4 : 90- ... glass, help to dissolve, pack the rubber, plastic and oil paintApplicationwe can supply all kinds of barite as follows ... : oil drilling barite ,chemical barite,white barite for lumps and ...