Cadence GS5 Eastman Chemical Company Copolyester is an amorphous copolyester with improved processability for film calendering. Calendered films made of Eastman Cadence copolyester are non-crystallizing, are halogen-free, offer wide calendering and thermoforming windows and have good low-temperature toughness. They are cooperative in secondary operations such as solvent-bonding, lamination, decoration, cold-forming, punching/cutting and embossment.

PETG,PCTG,PCTA都属于是一种非结晶型共聚聚酯的高透明塑料.PETG塑料制成的板材通常比通用压克力坚韧15至20倍，比抗冲改性的压克力坚韧5至10倍。PETG具有玻璃一样的透明度和接近玻璃的密度，很好的光泽度，耐化学腐蚀，耐冲击可制成复杂外形容器的包装，具有高吸塑力，高光泽，低雾度，易于印刷，不易脱落.