Carbon black N220&N330&N550&N660 Pigment for paint 20years manufacture experience ISO9001:2000 certificare We supply diverse model carbon black, for example N220, ... N330, N550, N660, N339, etc. 1. Type: n220 ,n330,n550.n660.2 ... and abrasion wear properties are crucial use carbon black, so they are black in color. Where physical properties are ...