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    Rubber Carbon Black Grades

                                                                            GB/3778-2011


    Grade 

    Item

    N219
    N220
    N234
    N326
    N330
    N339
    N351
    N375
    N550
    N660
    N774

    Iodine Adsorption No.

    (g/kg)

    118 ± 5 
    121 ± 5
    120 ± 5
    82 ± 5
    82 ± 5
    90 ± 5
    68 ± 5
    90 ± 5
    43 ± 5
    36 ± 5
    29 ± 5

    DBP No.

    (10-5m3/kg)

    78 ± 5
    114 ± 5
    125 ± 5
    72 ± 5
    102 ± 5
    120 ± 5
    120 ± 5
    114 ± 5
    121 ± 5
    90 ± 5
    72 ± 5

    Compressed Sample

    (10-5m3/kg)

    69-81
    92-104
    96-108
    62-74
    82-94
    93-105
    89-101
    90-102
    80-90
    69--79
    58-68

    CTAB No.

    (103m2/kg)

    100-114
    103-117
    109-125
    74-86
    73-85
    86-98
    68-80
    89-101
    36-48
    31-43
    26-38

    STSA

    (103m2/kg)

    99-113
    105-119
    70-82
    69-81
    82-94
    64-76
    85-97
    34-44
    29-38
    24-31

    NSA Multipoint

    (103m2/kg)

    109-123
    107-121
    112-126
    72-84
    72-84
    85-97
    65-77
    86-100
    35-45
    30-40
    25-35

    Tinting Strength

    (%)

    115-131
    108-124
    115-131
    103-119
    96-112
    103-119
    93-107
    107-121



    Moisture

    (% ≤)

    1.5
    1.5
    1.5
    1.5
    1.5
    1.5
    1.5
    1.5
    1.5
    1.5
    1.5

    Ash

    (% ≤)

    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5

    45 μm Sieve Residue

    (% ≤)

    0.050
    0.050
    0.050
    0.050
    0.050
    0.050
    0.050
    0.050
    0.050
    0.050
    0.050
    500μm Sieve Residue

    (% ≤)

    0.0010
    0.0010
    0.0010
    0.0010
    0.0010
    0.0010
    0.0010
    0.0010
    0.0010
    0.0010
    0.0010

    Fines

    (% ≤)

    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8

    Impurity

    None
    None
    None
    None
    None
    None
    None
    None
    None
    None
    None

    Density

    (kg/m3)

    440 ± 40 
    355 ± 40 
    320 ± 40 
    455 ± 40 
    380 ± 40 
    345 ± 40 
    345 ± 40 
    345 ± 40 
    360 ± 40 
    440 ± 40 
    490 ± 40 

    Stress at 300% Enlongation

    (MPa)

    -3.5 ± 1.0
    -1.9 ± 1.0
    0.00 ± 1.0
    -3.5 ± 1.0
    -0.5 ± 1.0
    1.0 ± 1.0
    1.2 ± 1.0
    0.5 ± 1.0
    -0.5 ± 1.0
    -2.2 ± 1.0
    -3.7 ± 1.0

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    TEL: +86-351-2215586

    FAX: +86-351-7679269

    EMAIL:emily@sxhcch.com

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