Carbon Black N220 Carbon Black N330 Carbon Black N550 Carbon Black N660 Appearance: Black powder or granular Specification: Iodine Absorption Number (g/Kg) : 36+/-4 DBP Absorption number (10-5M3/Kg) : 90+/-5 DPB Absprption Value of compressing sample (10-5M3/Kg): 68-82 CATB Surface Area (103M2/Kg) : 31-39 Nitrogen Surface Area (103M2/Kg): 30-40 Heating Loss: 1.5 max Ash : 0.5% max Tensile Strength: -3.5 MPa min Extension%: +10Min Map Modulus at 300%: -3.5+/-1.3 trade_tc(at)hotmail(doc).com