METHOD OF EVALUATING RELIABLE LIFE SPAN OF BAG MATERIAL FILM AND DEVICE FOR EVALUATING RELIABILITY OF SAID FILM

摘要

The present application relates to a method of evaluating the reliable life span of a bag material film and a device for evaluating the reliability of the film. In the present application, the reliability of a bag material film can simply and easily be evaluated through only a haze measurement directly prior to using the bag material film in order to check for product defectiveness, and a film can be provided for an evaluating method capable of predicting reliability.