GB/T 27809-2011 "Bisphenol A Epoxy Resin for Thermosetting Powder Coatings" specifies the classification, grading, requirements, and test methods for such resins, applicable to the manufacturing of thermosetting epoxy powder coatings and epoxy-polyester powder coatings. The products are categorized into general-purpose, corrosion-resistant types, as well as premium and qualified grades, covering indicators such as appearance, softening point, and epoxy equivalent. Testing requires instruments such as differential scanning calorimeters, viscometers, and UV-Vis spectrophotometers. Performance is evaluated according to corresponding standard methods, providing unified criteria for quality control of resins and downstream coating products.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | G51 | ICS | 87.040 |
| Release Date | 2011-12-30 00:00:00 | Implementation Date | 2012-06-01 00:00:00 |
