It is black, smooth and in powder, mainly applied to various rubber products such as tires, rubber overshoes, cable, seal ring, ItemsN220N330N550N660N990N991Iodine Absorption Number g/kg121 +/-5 82 +/-5 43 +/-4 36 +/-4 - -DBP Absorption Number 10-5m3/Kg114 +/-5 102 +/-5 121 +/-5 90 +/-5 43+/-8 35+/-8DBP Absorption Number of Compressed Sample 10-5m3/Kg93~107 81~95 81~95 68~82 32~4830-46CTAB ...