Spectar Clear Copolyester Eastman Chemical Company Copolyester Eastman Spectar Clear is a copolyester, developed by Eastman to achieve measurably improved sheet clarity and edge color while maintaining the performance characteristics for which Eastman Spectar copolyester has become known in the industry. It offers the thermoformability and ease of fabrication of Eastman Spectar copolyester along with significantly improved clarity. Eastman Spectar Clear also offers approximately double the notch impact strength, 50% higher instrumented impact strength and better chemical resistance when compared to traditional Spectar Copolyester

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