rubber
polymer from artificial or natural sources
thermoplastic elastomer
any elastomer that can be melted
vulcanized rubber
material obtained from natural or synthetic rubber by vulcanization
styrene-butadiene
synthetic elastomer
crumb rubber
granular rubber material from grinding scrap vehicle tires
natural rubber
polymers of the organic compound isoprene, with minor impurities of other organic compounds; refined from latex harvested from rubber trees