GB/T 30789.5-2015 "Evaluation of Paints and varnish coatings aging, identification of the number and size of defects and the degree of uniform change in Appearance, Part 5: Evaluation of flaking grades", specifies the evaluation method of flaking grades after Paints and varnish coatings aging. The standard specifies the observation conditions and evaluation process of flaking phenomenon, and divides flaking grades by quantifying the proportion of flaking area and other indicators, providing a unified technical standard for systematically and scientifically evaluating the degree of flaking of aging coatings and measuring coating durability.
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 | G50 | ICS | 87.040 |
| Release Date | 2015-07-03 00:00:00 | Implementation Date | 2016-02-01 00:00:00 |