... .Good quality C.mainly as pigment D.powder or granular Carbon black N220 N330 N550 N6602N220 We supply diverse model ... carbon black, for example N220, N330, N550, N660, N339, etc. 1. ... and good waterproof property Put away from water and solarization Carbon black N330 N220 N550 N660 1black powd or granular pignent ...