GB/T 9753-2007 "Paints and varnishes—Cupping test" specifies a method for assessing the resistance to deformation of paint films using the cupping test, which is applicable to various types of paint and varnish films. The test involves pressing the center of a coated test panel into a die using a cupping tester to form a cup of a specified depth, after which the paint film is examined for cracking or peeling. The detection requires instruments such as a cupping tester, a micrometer gauge, and a magnifying glass to visually evaluate the adhesion and flexibility of the paint film under tensile deformation.
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 | 2007-09-11 00:00:00 | Implementation Date | 2008-04-01 00:00:00 |
