... and quantity e.ISO9001:2000 Manufact. We supply diverse model carbon black, for example N220, N330, N550, N660, N339, etc.1 ... or dry process7. Usage: maily applied to various rubber products such as tyres, rubber overshoes, cable, seal ring, tape etc. Moreover they ... .50.5±1.52.2±1.53.7±1.5 Rubber with carbon black N220,N330,N339