Cold SBR - Carbon Black Masterbatch

Product Description

DIAPOL 1833 is an oil extended Cold SBR Carbon Black Masterbatch containing 100 parts of SBR-1712 base polymer which is prepared with mixed acid emulsifier, 82.5 parts of N347 black, 62.5 parts of highly aromatic oil and staining antiozonant stabilizer.

The characteristics of DIAPOL 1833 are due to its high carbon black and high oil loading, which provide economical advantages.

This black Masterbatch is especially suitable for tread rubber, footwear and molded mechanical goods.

Product Specifications
Description Chemical
Test Recipe
Emulsifier Mixed Acid Volatile
Matter %
0.3 Cpd. Visc.
ML-4 @100°C
50 DIAPOL 1833 245.00 PHR.
Stabilizer Staining Antiozonant Ash % 0.1 Cure @145°C x 35 min.   Zinc Oxide 3.00 PHR.
Coagulant Acid Organic
Acid %
2.9 Tensile Mpa 19.4 Sulfur 1.75 PHR.
Base Polymer SBR-1712 Soap % 0.1 Elongation % 580 TBBS 1.63 PHR.
Extender Oil Hi Ar 62.5 PHR. Bound
Styrene %
23.5 300% Modulus   Stearic Acid 1.00 PHR.
Carbon Black N347 82.5 PHR. Carbon
Black %
33.4 Mpa 10.6 TOTAL 252.38 PHR.