HEAT SHRINKING POLYESTER FILM ROLL

摘要

The heat-shrinkable polyester film rolls according to the present invention is characterized in that the film rolls have (1) a heat shrinkage percentage at 85 DEG C in the maximum shrinkage direction of 20% or more; (2) a melt resistivity at a temperature of 275 DEG C of 0.70 X 10<8> OMEGA .cm or less; (3) when samples thereof are cut off at an interval of about 100 m and the fluctuation in thickness in the maximum shrinkage direction is measured, a thickness distribution width represented by the following formula of respective samples of 7% or less. Thickness distribution width = (Maximum thickness - Minimum thickness) / Average thickness X 100 Container-wrapping films excellent in processability and printability can be produced from the heat-shrinkable polyester film rolls in high yield.