CK Witco Corp.´s Uniroyal Chemical division is offering its Durazone 37 as an additive that provides antiozonant and antioxidant protection to natural and synthetic rubbers. The product offers ozone, heat, oxygen and flex fatigue resistance for tires and other rubber products without the staining often seen with p-phenylenediamines, CK Witco said. Durazone 37 is effective as an additive in compounds made of natural rubber and NR/olefin-based blends, according to the firm. For information, call 800-322-3243.
Additive protects NR, SR without staining
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