Asphalt 07
Asphalt 07 : A natural or mechanical mixture of solid or viscous bitumens found in natural beds or obtained as a residue from petroleum. Asphalt, blends containing asphalt, and altered asphaltic materials (e.g., air-blown, chemically modified, etc.) have been added to certain drilling fluids for such widely different purposes as a component in oil-base drilling fluids, lostcirculation material, emulsifier, fluid-loss-control agent, wall-plastering agent, etc. (Bul D11)
No records Found