Used primarily as a cross-linking agent in fluoropolymer formulations, enhancing thermal stability and mechanical strength of cured materials. It enables the formation of robust networks in perfluoroelastomers, which are critical for seals and gaskets in extreme environments such as aerospace, semiconductor manufacturing, and chemical processing. Its vinyl groups readily participate in free-radical and peroxide-initiated curing processes, improving cure efficiency and reducing compression set. Also employed in specialty coatings and membranes requiring exceptional chemical resistance and durability.