Zinc oxide transparent 9930 Precipitated basic zinc carbonate Akrochem Catalysts / Accelerators / Vulcanizing agents >> Zinc Oxide Acid Absorber / Acceptor Chloroprene Rubber (CR) Rubber - Elastomer (Chloroprene, Butyl …) ADHESIVE Zinc Oxide Transparent is an accelerator activator of extremely fine particle size, particularly suited for transparent rubber goods. It can be employed in natural and synthetic rubbers and also as an acid acceptor in polychloroprene adhesives where transparency is required. It is especially useful for rubber articles which must be practically free from heavy metal traces. Zinc Oxide Transparent is easy to incorporate and has very good dispersion characteristics in rubber compounds. Due to its small particle size, it causes a powerful activation of the cure. Zinc Oxide Transparent raises compound viscosities and, at high levels of addition, increases thermal conductivity and has a stiffening effect, improving the dimensional stability of extrusions and open cured goods. Zinc Oxide Transparent does not cause color changes in vulcanizates and does not bloom. Increasing levels improves the mechanical properties of rubber goods, above all modulus, tear resistance and abrasion resistance. As an acid acceptor in polychloroprene adhesives, it is used to achieve long open-tack times in the absence of magnesium oxide and regular zinc oxide grades. The latter two products reduce open time by reacting with Terpene Phenolic and Phenolic Resins, which are typical tackifiers for polychloroprene adhesives. Zinc oxide. Used as an accelerator activator for transparent rubber goods and also as an acid acceptor in polychloroprene adhesives where transparency is required. Permits to achieve long open-tack times. Raises compound viscosities and, at high levels of addition, increases thermal conductivity and has a stiffening effect. Can improve the mechanical properties of rubber goods (modulus, tear resistance and abrasion resistance).