- Standard No.
- GB/T 3780.20-1997
- Language
- Chinese
- Release Date
- 1997
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
-
GB/T 3780.15-2006
- Lastest
-
GB/T 3780.15-2016
- Scope
- This standard specifies the determination of light transmittance of carbon black toluene extract for rubber. This standard applies to the identification of carbon black products for rubber.
GB/T 3780.20-1997 history
- 2016 GB/T 3780.15-2016 Carbon black—Part 15: Determination of light transmittance of toluene extract
- 2006 GB/T 3780.15-2006 Carbon black.Part 15:Determination of light transmittance of toluene extract
- 1997 GB/T 3780.20-1997 Carbon black for use in the rubber industry--Determination of light transmittance of toluene extract--Method for product evaluation
GB/T 3780.20-1997 Carbon black for use in the rubber industry--Determination of light transmittance of toluene extract--Method for product evaluation was changed to GB/T 3780.15-2006 Carbon black.Part 15:Determination of light transmittance of toluene extract.