... Carbon Black1. Type: n220 ,n330,n550.n660.2. Cas no:1333-86-43. Highe structure, smaller particle size, easy ... wet or dry processSpecification: ItemsN220N330N550N660Iodine Absorption Number g/kg121 +/-582 +/-543 +/-436 +/-4DBP Absorption Number 10-5m3/Kg114 +/-5102 +/-5121 ... +/-590 +/-5DBP Absorption Number of Compressed Sample 10-5m3/ ...