PET树脂为乳白色或浅黄色聚合物，表面平滑有光泽。具有优良的力学性能、

PET树脂为乳白色或浅黄色聚合物，表面平滑有光泽。
具有优良的力学性能、热性能、光学性能、电学性能、化
学性能、吸湿性、透气性。

Results (English) 1:

Polymers PET resin as a milky white or light yellow, smooth shiny surface.Has excellent mechanical properties, thermal properties, optical properties, electrical properties, chemicalPerformance, moisture absorption and permeability.

Results (English) 3:

PET resin is milky white or light yellow polymer with smooth surface.Has excellent mechanical properties, thermal properties, optical properties, electrical properties, andPerformance, moisture absorption, air permeability.