... : rubber grade Color: Black category: cadbon black Specifications carbon blacK N220 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 ... they can be applied to such relevant industries as plastic manufacture. Items N220 N330 N550 N660 Iodine Absorption Number g/kg 121 +/-5 82 +/-5 ...