S.G 4.2 for oil mud API13a barite powder , barite lump ... -4.3 Size:powder / lump S.G 4.2 for oil mud API13a barite powder , barite lump Specification:BaSO4 ... much BaSO4, it is very difficult to dissolve in water and acid, it is non-toxin, non-magnetic. It can absorb X ... as follows: oil drilling barite ,chemical barite,white barite for lumps and powder...Barite powder ,Large quantity, high quantity ...