| 摘要 |
<p>An object of the present invention is to provide a heat-shrinkable polyester film having a good light blocking property even when the label is not auxiliary processed by printing. <??>The present invention provides a heat-shrinkable polyester film mainly made of a polyester resin, wherein the film has a total luminous transmittance of not more than 40 %, a haze of not less than 90 %, a sample film has a heat shrinkage percentage of not less than 50 % in the maximum shrinkage direction and a heat shrinkage percentage of not more than 10 % in a direction orthogonal to the maximum shrinkage direction, the sample film being in a size of 10cm x 10cm cut off from the film and obtained by immerse in hot water at 95 DEG C for 10 seconds, subsequently in water at 25 DEG C for 10 seconds, and withdrawing.</p> |
