Specifications:
1) Carbon black N220:
    a) Heating loss: 2.5% (max.)
    b) Ash: 0.5% (max.) 
    c) CTAB BET surface area 103kg/m2: 101 - 121
    d) Color intensity: 105 - 125%
    e) DBP absorption value 10 - 5kg/m3: 114± 10
    f) Iodine absorption value: 121±9
    g) Residue (100μm): 0.02% (max.) 
    h) Impurity: none
    i) Rubber chemical, filler
2) Carbon black N330:
    a) Heating loss: 2.5% (max.)
    b) Ash: 0.5% (max.)
    c) CTAB BET surface area 103kg/m2: 74 - 90
    d) Color intensity: 95 - 111%
    e) DBP absorption value 10 - 5kg/m3: 102±10
    f) Iodine absorption value: 82±9
    g) Residue (100μm): 0.02% (max.) 
    h) Impurity: none
3) We also supply carbon black:
    a) N110
    b) N115
    c) N121
    d) N219
    e) N234
    f) N326
    g) N339
    h) N351
    i) N375
    j) N539
    k) N550
    l) N660
    m) N774

Inner packing:
PE bag, polybag