Provista Copolymer ST Eastman Chemical Company Polyester, TP Eastman Provista Copolymer ST is a resin specifically developed for profile extrusion where high clarity and gloss, toughness, and processability are critical. Eastman Provista Copolymer ST is a second-generation material that complements Eastman Provista by offering similar features, while providing greater toughness. Eastman Provista Copolymer ST is ideal in applications that place greater physical demands on the profile

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