| abstract |
The present invention is a polyvinyl alcohol-based film comprising a polyvinyl alcohol resin, having tan δ of 0.20 or less at 30° C. in a width direction of the film under an air atmosphere of a relative humidity of 50% RH, and a storage modulus of 11.2×10 6 to 20×10 6 Pa at 140° C. in the width direction of the film under a dry atmosphere. According to the present invention, a polyvinyl alcohol-based film having good formability can be provided. |