This standard specifies the principles, instruments and test procedures for determining the folding resistance of film substrates and films using the MIT folding instrument. It is suitable for the folding resistance testing of cellulose triacetate ester substrates, polyester substrates and their supported photosensitive films to ensure their durability performance in different application scenarios.
| Status | Active |
|---|---|
| CCS | G81 | ICS | 37.040.20 |
| Release Date | 2009-12-15 00:00:00 | Implementation Date | 2010-06-01 00:00:00 |