Polyester film and decorative plate using same

摘要

A polyester film for a decorative plate of the present invention, comprises at least the said polyester film and a picture printed layer which are in turn laminated over a surface of a substrate, wherein the polyester film has a optical density of 0.1 to 5.0 and longitudinal and transverse heat shrinkage percentages of from -10% to +10% after heat treated at 180° C. for 5 minutes. The polyester film for a decorative plate or a decorative sheet can generate no harmful gases upon burning such as incineration, can produce a picture pattern having a high design value thereon without adverse influence by the color tone of the substrate, and is excellent in dimensional stability.