The GB/T 1770-1979 standard, issued by the Ministry of Chemical Industry of the People's Republic of China, specifies the determination method of the sanding properties of undercoat and putty films. This standard is suitable for evaluating the performance of undercoat and putty films during sanding processes, helping to ensure that the sanding effect of these coatings during construction and use meets technical requirements.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Abolish | ||
|---|---|---|---|
| CCS | ICS | ||
| Release Date | Implementation Date | ||
