S.G 4.2 for oil mud API13a barite powder , barite lump BaSO4 90~94%min ... 3 Size:powder / lump S.G 4.2 for oil mud API13a barite powder , barite lump Specification:BaSO4 : 90-94 ... radial and Y radial that mainly use to heavy the mud of artesian well, fine the glass, help to dissolve, ... can supply all kinds of barite as follows: oil drilling barite ,chemical barite,white barite for lumps and powder... ...