SP-6700 Resin

SP-6700 Resin (Old Name: Akrochem® P-86) by Akrochem is a cashew nut oil-modified phenol-formaldehyde resin-based tackifier. It improves NBR compatibility and dispersibility and used where scorching or procuring is encountered with resins containing hexamethylenetetramine. It exhibits plasticizing action during processing without fear of pre-curing. It is the base resin for SP-6600 and does not contain hexa. It hardens the compounds and enhances tear strength, stiffness and abrasion resistance when combines with hexa. It boosts rubber-to-metal bonds and fabric adhesion. The hexa used should be the finely pulverized rubber accelerator grade or a pre-dispersion and can be added late in the mixing cycle or on the warm-up mill to make the resin properly thermosetting application of heat on a cure. Recommended dosage level of SP-6700 Resin in precipitated silica is 10 phr, to increase adhesion property.