Carbon black N330 N220 N550 N660 1:black powd or granular pignent 2. rubber ... industry 3.tyres cable tape carbon blacKN220 N330 N550 N6602N220 We supply diverse model carbon black, for example N220 ... , N330, N550, N660, N339, etc. 1. Type: n220 ,n330,n550.n660.2. Cas no:1333-86-43 ... from water and solarization 2012 hot sale carbon black N550 good manufacturer