Carbon Black N550 Appearance: Black powder or granular Specification: Iodine Absorption Number (g/Kg) : 43+/-4 DBP Absorption number (10-5M3/Kg) : 121+/-5 DPB Absprption Value of compressing sample (10-5M3/Kg): 81-95 CATB Surface Area (103M2/Kg) : 38-46 Nitrogen Surface Area (103M2/Kg): 38-46 Heating Loss: 2.5 max Ash : 0.5% max Tensile Strength: -3.5 MPa min Extension%: -10Min Map Modulus at 300%: -1.7+/-1.3 Packing: 25kg/bag, 16MT/ 20’FCl We also can offer you N220,N330,N660. If you are interested in our products,pls contact me ---Caroline Hebei Liancheng chem co.,ltd No118 youyi street Address: No.118 Youyi Street, Shijiazhuang City, Hebei, China Tel: 1-86-15933210923 Website: E-mail: bonjourlc(at)lianchengchem(dot)com MSN: bonnetoi(at)live(dot)cn