Hard coal tar pitch factory Technical Parameter Specification 1) High temperature modifies coal tar pitch: a) Softening point: 138 - 148°C b) Ash: 0.7% max. c) Quinoline insoluble: 10% - 18% d) Toluene ... Read More
Elaborately Refined Coal Tar Pitch Lump Directly Supplied by Jing Hao Coal Chemical Plant Chemical Properties : Coal tar pitch distilled from by-product coal tar, generated by metallurgical coke ovens, has ... Read More