Ammonium metatungstate hydrate is mainly used as vulcanizing agent and cross-linking agent of rubber in rubber industry. It can react with the unsaturated bonds in the molecular chain of rubber to form a stable cross-linking structure, thus improving the hardness, abrasion resistance, heat resistance and aging resistance of rubber. In addition, ammonium metatungstate hydrate can also improve the processing performance of rubber, such as reducing viscosity, improving fluidity, so that the rubber is easier to process molding.
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