Oil - Gas Grade Gilsonite: Oil and Gas Grade natural bitumen, in drilling fluids or liquids perform a diversity of operations that influence the drilling rapidity, efficiency, safety also the cost. An important characteristic of…
Asphalt Grade
Natural Bitumen Asphalt Grade: Gilsonite Asphalt Grade deposited in Gilane Gharb, Iran have been known since 1940 and it is the only mineral Asphalt Grade deposits area in Iran. The deposits contain 80 to 97 % asphalt content…