This standard specifies the methods and requirements for the performance determination of polyvinyl alcohol (PVAL) materials. Polyvinyl alcohol is an important functional polymer material, and its performance is crucial to the application effect and processing characteristics. This standard covers the testing methods for the physical, chemical and Mechanical Properties of PVAL materials, including the determination of key indicators such as viscosity, thermal stability, water solubility, crystallinity, etc. The standard provides detailed test conditions, equipment requirements and data processing methods to ensure the accuracy and repeatability of results.
| Status | Active |
|---|---|
| CCS | ICS | 83.080.20 |
| Release Date | 2019-02-01 00:00:00 | Implementation Date |