... the elongation ratio low, thermostable, the module is high, the weight is light, toughness good, anti-corrosive, long life and so on ... long-term slow change, the physical chemistry stability is good, the thermostability is good, anti-weary dehiscence, thermostable wheel rut, anti-low ... and restraining reflection caused by block contraction.3,It is uesd in road expansion and improvement project and ...