1 subject content and scope of application

This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of cobalt salt adhesion promoter ZH series Co ZH 20, a Co salt binder for rubber and metal adhesive. This standard applies to natural rubber and synthetic rubber and brass, zinc, bare steel and wire, rope and metal plating brass or galvanized steel. The direct adhesion promoter for the board is cobalt ZH 20 product.