Rhenogran MgO-75 Magnesium oxide Rhein Chemie Catalysts / Accelerators / Vulcanizing agents Acid Absorber / Acceptor Chloroprene Rubber (CR) ADHESIVE Rhenogran® MgO-75 Curing activator and acid acceptor particularly suitable for polychloroprene rubber (CR) and adhesives 75% magnesium oxide Rhenofit® 2060 25% polymer binder and dispersing agents Blend of magnesium oxide, polymer binder and dispersing agents. Used as a curing activator and acid acceptor particularly for polychloroprene rubber (CR) and adhesives.