... Specifications 1.Wet granulation production 2.Supply N220, N234, N330, N550, N660, N774, etc 3.used in rubber and plastic Reinforcing ... . Specificationscarbon black n220 n330 n339 n550 n660 FREE SAMPLES carbon black n220 n330 n339 n550 n660FREE SAMPLESWe 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. Place of ...