GB/T 9858-1988
Method for determining the folding endurance of photographic film and film base (English Version)
- Standard No.
- GB/T 9858-1988
- Language
- Chinese, Available in English version
- Release Date
- 1988
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2010-06
- Replace By
- GB/T 9858-2009
- Latest
- GB/T 9858-2009
- Scope
- This standard specifies the principles, instruments and test procedures for the determination of film base and film folding endurance (MIT folding endurance test method). This standard is mainly applicable to the determination of the folding endurance of cellulose triacetate base and photosensitive film (with or without backing layer, processed or unprocessed) based on this base. The photographic paper base and photographic paper can also be tested by this method for folding endurance.
GB/T 9858-1988 history
- 2009 GB/T 9858-2009 Method for determining the folding endurance of photographic film and film base
- 1988 GB/T 9858-1988 Method for determining the folding endurance of photographic film and film base
