Chi Mei thermoplastic rubber is styrene/butadiene/styrene copolymer, its nine-stage and radial molecular structure, so that it does not need vulcanization procedure can have the same elastic and physical properties as rubber, which is rubber phase, with excellent elastic recovery force, processing fluidity, cold resistance, like thermoplastic injection molding processing, Can be widely used in shoe soles, toys, asphalt modification, mechanical products, plastic modification agent and adhesive.