Tianjin Ruihui Chemicals Import & Export Co,.Ltd

Tianjin ruihui chemicals import & Export co,.ltd established in 1993.We were mainly in importing and exporting in the early year.We invested 80billions to set up three chemical factories and two Institutes from the beginning of 1999.  :: Carbon black Chemical NameCarbon black Chemical formulaPurity quotientCASRN?????333-86-4 Product Specifications: Items N220 N330 N550 N660 Iodine Absorption Number g/kg 121 +/-5 82 +/-5 43 +/-4 36 +/-4 DBP Absorption Number 10-5m3/Kg 114 +/-5 102 +/-5 121 +/-5 90 +/-5 DBP Absorption Number of Compressed Sample 10-5m3/Kg 93~107 81~95 81~95 68~82 CTAB Surface Area 103m2/Kg 106~116 79~87 38~46 31~39 Nitrogen Surface Area 103m2/Kg 114~124 78~88 38~46 30~40 Tint Strength 110~120 98~108 - - Heating Loss 3.0 2.5 2.5 1.5 Ash 0.5 0.5 0.5 0.5 Tensile Strength Map ?????0.8 -1.5 -3.5 -3.5 Extension% ?????10 -10 -10 +10 Map Modulus at 300% -2.5 +/-1.3 -1.7 +/-1.3 -1.7 +/-1.3 -3.5 +/-1.3 Packing detail:     25 kgs/ bag net weight... [Details]