Plastic films and sheets are specified in this standard as a test method for determining water vapor permeability using the cup method. It includes a test device, operating procedures and a Data processing method. This method ensures the functionality and Reliability of films and sheets in practical use by measuring the moisture permeability performance of materials and evaluating their application in the field of moisture protection and preservation.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Abolish | ||
|---|---|---|---|
| CCS | G31 | ICS | 83.140 |
| Release Date | 1988-06-14 00:00:00 | Implementation Date | 1989-02-01 00:00:00 |