Cold SBR – Carbon Black Masterbatch

Product Description

DIAPOL 1848 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 Ndd9 black, 62.5 parts of highly aromatic oil and staining antiozonant stabilizer.

The characteristics of DIAPOL 1848 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 49 DIAPOL 1848 245.00 PHR.
Stabilizer Staining Antiozonant Ash % 0.1 Cure @145°C x 35 min. Zinc Oxide 3.00 PHR.
Coagulant Acid Organic
Acid %
2.8 Tensile Mpa 20.8 Sulfur 1.75 PHR.
Base Polymer SBR-1712 Soap % 0.1 Elongation % 630 TBBS 1.63 PHR.
Extender Oil Hi Ar 62.5 PHR. Bound
Styrene %
23.5 300% Modulus Stearic Acid 1.00 PHR.
Carbon Black N339 82.5PHR. Carbon
Black %
33.4 Mpa 9.5 TOTAL 252.38 PHR.