... n330 n550 n660 1.black powder or granular 2.for tyre industry 3.BV,SGS,CIQ,ISO,COA,MSDS 4 ... sample high reinforcement carbon black N330 for tyre industry1.black powder or granular 2.for rubber industry 3.BV,SGS,CIQ,ISO ... 7 +/-1.3-3.5 +/-1.3Characteristics of vulcanized rubber 1. High reinorcing2. Low modulus3. Good elongation and ... , flowers, split. high reinforcement carbon black N330 for tyre industry