The most common elastomer substance used right now is really a styrene-butadiene copolymer. It combines the Homes of polybutadiene, which happens to be a highly rubbery polymer (Tg = -100 °C) getting higher hysteresis and thus offering great soaked grip Attributes, with the properties of polystyrene, that's a glassy polymer https://renqiu-haoye-motorcycle-p80134.tinyblogging.com/renqiu-haoye-motorcycle-parts-co-for-dummies-78946966