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.
| Status | Abolish |
|---|---|
| CCS | ICS |
| Release Date | Implementation Date |