... : 0.02 Wt% 4. Color: 14# coumarone resin for inking1;Purity : 100%2.Softening Point: 97-1153. ... 25KG/BAG7.Loading: 18MT/20FCL8. Application:Coumarone-indene resin has excellent cementing, antioxidant, waterproof, thermal stability, ... acid and alkali chemical stability. Deep color resin is commonly used as rubber softener, rubber additive, ... Loss0.4Ash content0.8 coumarone resin for rubber