WESTCO™ N774-SB Carbon Black Semi Reinforcing – Industrial Grade CAS# 1333-86-4

WESTCO™ N774-SB Carbon black is a semi reinforcing grade for use in a variety of industrial rubber compounds. It offers moderate tensile strength and modulus and enhance the extrusion properties and mold flow of compounds. It can be used with highly reinforcing grades to reach a balance of properties. This product offers a softer bead or pellet hardness to allow easy dispersion is low viscosity compounds during mixing.

Packaging: 25 kg paper bags; 500kg & 1000 kg supersacks


Appearance: Black Beads/Pellets
*Iodine Absorption #, g/kg


*DBP Absorption, cc/100g


*Heating Loss

1.5% Max.




0.7% Max.

*325 mesh Sieve

0.1% retained Max.

*Average Pellet Hardness


*Individual Pellet Hardness

50 Max.

CTAB Surface Area, m2/g


Nitrogen Surface Area, m2/g


* Actual data will be reported on Certificate of Analysis

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      • Western Reserve Chemicals
      • 60 S. Seiberling Street
      • Akron, OH 44305

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