... n660 1.black powder or granular 2.for tyre industry 3.BV,SGS,CIQ,ISO,COA,MSDS 4.Free sample manufacture ... tyre industry1.black powder or granular 2.for rubber industry 3.BV,SGS,CIQ,ISO,COA,MSDS4.Supply Free sample5.Export ... +10Map Modulus at 300%-2.5 +/-1.3-1.7 +/-1.3-1.7 +/-1.3-3.5 +/-1.3Characteristics of vulcanized rubber 1 ...