Provista Copolymer UVI Eastman Chemical Company Polyester, TP Eastman Provista UVI is a copolymer with an indoor/outdoor UV package added to prevent yellowing caused by light. Eastman Provista copolymer is a resin specifically developed for extrusion into profiles where aesthetics like high clarity and gloss, coupled with design flexibility drive demand. Compared to commonly used materials, Eastman Provista copolymer can often run on most standard processing equipment at increased speeds. An extremely high melt strength makes the resin an excellent choice when extruding profiles into complicated shapes. This product is certified to ANSI/NSF Standard 51.
 

PETG,PCTG,PCTA都屬于是一種非結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壓克力堅韌15至20倍，比抗沖改性的壓克力堅韌5至10倍。PETG具有玻璃一樣的透明度和接近玻璃的密度，很好的光澤度，耐化學腐蝕，耐沖擊可制成復雜外形容器的包裝，具有高吸塑力，高光澤，低霧度，易于印刷，不易脫落

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