The flex durability is the ability of a material to resist flexing or kneading during production and transportation. Permeability test often comes after the flex process to ensure the overall performance of packaging materials.
- ASTM F392 - Standard Test Method for Flex Durability of Flexible Barrier Materials
C681M Flex Durability Tester
C681M Flex Durability Tester (Gelbo Flex Tester) is professionally applicable to the determination of flex durability of flexible films, composite films and coating films.