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    Carbon Black – N220, N231, N234, N326, N330, N339 Highly Reinforcing - Tire Grades CAS# 1333-86-4

    These WESTCO? Carbon blacks are fine particle size, highly reinforcing carbon blacks used most commonly in tire applications.? Medium sized, semi-reinforcing grades for use in a variety of rubber compounds.? They offer improved tensile strength and modulus as well as increased abrasion resistance in tires and other rubber products.? The less reinforcing grades enhance the extrudability? and mold flow of compounds while the highly reinforcing grades are recommended for compression molding applications.

    SPECIFICATIONS:

    ASTM Grade
    N220

    N231, N234, N326, N330, N339

    *Iodine Absorption #, g/kg
    114-128

    114-128, 113-127, 75-89, 78-89, 85-95

    *DBP Absorption. cc/100g
    107-121

    86-98, 118-132, 65-79, 95-109, 115-125

    *Heating Loss, % max
    2.5

    2.5, 2.5, 2.5, 2.5, 2.5

    *pH
    5.5-8.5

    5.5-8.5, 5.5-8.5, 5.5-8.5, 5.5-8.5 , 5.5-8.5

    *Ash, % max
    0.7

    0.7, 0.7, 0.7, 0.7, 0.7

    *325 Mesh Sieve, % max
    0.1

    0.1, 0.1, 0.1, 0.1, 0.1

    *Average Pellet Hardness
    25-55

    20-50, 20-50, 20-50, 20-50, 20-50

    *Individual Pellet Hardness, max
    90

    90, 90, 90, 90, 90

    CTAB Surface Area, m2/g
    102-120

    104-118, 110-128, 74-92, 73-91, 86-96

    Nitrogen Surface Area, m2/g
    112-126

    112-128, 112-126, 71-85, 71-85, 83-93

    Tire Grade

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    For Carbon Black – N220, N231, N234, N326, N330, N339 - Highly Reinforcing - Tire Grades

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        Technical Data & SDS Sheets

        Technical Product Sheets and SDS sheets are available for each of the chemicals listed. To access please click on the links above.
        • Western Reserve Chemical
        • 4837 Darrow Road
        • Stow, OH 44224

          Please contact us to request this Data Sheet

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