... n220 n330 n550 n660 1.black powder or granular 2.for tyre industry 3.BV,SGS,CIQ,ISO,COA,MSDS 4 ... .Free sample manufacture of carbon black N330 for tyre industry1.black powder or granular 2.for rubber industry 3.BV,SGS,CIQ ... --Heating Loss3.02.52.51.5Ash0.50.50.50.5Tensile Strength Map ≥-0.8-1.5-3.5-3.5Extension% ≥+10 ... the tyres collapse, flowers, split. manufacture of carbon black N330 for tyre industry