Struktol SCA 984 Bi-functional silane Struktol Crosslinking / Coupling / Curing Agents >> Silane Rubber - Elastomer (Chloroprene, Butyl …) STRUKTOL ® SCA 984 COUPLING AGENT A bifunctional silane for the rubber industry. STRUKTOL ® SCA 984 is used to improve the reinforcing properties of fillers containing hydroxyl groups in all unsaturated polymers with double bonds or their blends. Silicas, silicates, clays, and whitings together with NR, IR, SBR, BR, NBR, and EPDM are suitable for use with STRUKTOL ® SCA 984. Bi-functional silane. Used as a coupling agent for rubber industry. Improves reinforcing properties of fillers containing hydroxyl groups in all unsaturated polymers with double bonds or their blends. Possesses compatibility with NR, IR, SBR, BR, NBR, and EPDM.