Property It's a proven extensively used drilling fluid additive with many fine properties. Oil asphalt is basal raw material. It appears brown in easy breakable pieces or fluidized powder. Its density is 0.989g/cm3. Technical data Itemsindexes Water soluble content %=70.0 Oil soluble content %=20.0 Hthp. Fl reducing rate %=40.0 Ph8-10 Moisture %=10.0 Feature They can emulsify fresh water or sea water with oil, depress the solid expansion of drill chips , control hthp fl, produces thin and tenacious mud cakes, helps maintain low shearing rate under hthp, cleans and stabilizes well holes that have a great deal of collapsing shale. stabilize shale stratum reduce rotative torque and prevent jamming substitute of oil, including crude oil, waste engine oil and diesel oil depress the solid expansion of drill chips control hthp fl produce thin and tenacious mud cakes Recommended quantity to be added: 1-4% Package & storage Packaging and transport sacked with three packages, 25kg/sack. Be kept away from moisture and possible damage of the packages in transportation. Stored in cool and dry situation and storage life is two years.