GB/T 30648.4-2015 is the fourth part of the standard for the determination of liquid resistance of Paints and varnish, focusing on the drip method. The standard specifies the scope of application, describes the principle of liquid resistance detection of coatings by drip liquid, standardizes the process of instrument reagents, sample preparation, drip operation and result evaluation, and stipulates the liquid type, drip time and Observation method, providing a unified technical standard for the rapid and accurate determination of Paints and varnish liquid resistance performance.
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 | 2015-05-15 00:00:00 | Implementation Date | 2015-10-01 00:00:00 |