This standard specifies the test of water vapor transmission of plastic materials in a cup with desiccant.

This standard applies to the test of water vapor transmission of plastic film (including composite plastic film), sheet and artificial leather.

Contents:

1. Theme content and application scope cope

2. Definition

3. Principles

4. Instruments and reagents

5. Samples

6. Test conditions

7. Test steps

8. Result

9. Test report

10. Additional instructions