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  • Reasonable price for Open Mill Rubber Mixing Machine -
 Black gum rosin – Toplit

    Reasonable price for Open Mill Rubber Mixing Machine - Black gum rosin – Toplit

    Feature: Black gum rosin is mainly used for tire reclaimed rubber production and industrial rubber products production,  it can replace yellow rosin to reduce production cost on the basis of same products quality. Main technical spec.:  Item  Technical requirements  Test result  1.Softening point ℃  ≥80  80  2.Ash content  %  ≤3  2.95  3.Rosin content %  About 70%  70%  4. Appearance  Black solid  Black solid  5.Water content %  ≤1%  0.98  6.Application   For reclaimed rubber o...