GB/T 1720-1979
Method of test for adhesion of paint films (English Version)
- Standard No.
- GB/T 1720-1979
- Language
- Chinese, Available in English version
- Release Date
- 1979
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2021-10
- Replace By
- GB/T 1720-2020
- Latest
- GB/T 1720-2020
- Scope
- This standard applies to the determination of paint film adhesion. The fastness of the paint film to the substrate, that is, the adhesion, is evaluated according to the completeness of the paint film within the scratch range of the circular rolling line, expressed in grades.
GB/T 1720-1979 history
- 2020 GB/T 1720-2020 Circle-drawing test of coating films
- 1979 GB/T 1720-1979 Method of test for adhesion of paint films