... Manufact. We supply diverse model carbon black, for example N220, N330, N550, N660, N339, etc.1. Type: n220 ,n330,n550.n660.2. Cas no:1333 ... -20035. Form: black granule or powder6.Process: wet or dry process7. Usage: maily applied to various rubber products such as tyres, rubber overshoes, cable ... .50.5±1.52.2±1.53.7±1.5 Rubber with carbon black N220,N330,N339,N375