Dai-El Perfluoroelastomers (FFKM) Tecnoflon PFR, Kalrez, Chemraz, Perlast Polyether block amides (PEBA) Chlorosulfonated polyethylene (CSM), (Hypalon) Ethylene-vinyl acetate (EVA) Various other types of 4S elastomers: Thermoplastic elastomers (TPE) The proteins resilin and elastin Polysulfide rubber Elastolefin, elastic fiber used in fabric production Poly(dichlorophosphazene), an "inorganic rubber" from hexachlorophosphazene polymerization See also Liquid elastomer molding Rubber elasticity References External links Efficient and eco-friendly polymerization of elastomers, By Andreas Diener, Product Manager at List AG Materials science Polymer physics