... . 2012 hot sell goodsN330: it's used for tyre, tube and rubber, this tyre carbon black can reinforce the strong performance and ... mainly used in the tread rubber, the curtain cloth rubber, radial tire,bias tire,sidewall rubber and other high quality rubber ... ,%,max0.5Tensile strength Msp,min,%-1.5Exrension,%,min-10 N330 tyre carbon black