GB/T 7048-2003
Colour carbon black-Determination of blackness
2012-12
- Standard No.
- GB/T 7048-2003
- Language
- Chinese
- Release Date
- 2003
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 7048-2012
- Lastest
- GB/T 7048-2012
- Scope
- This standard specifies the test method for measuring the blackness of pigment carbon black with a reflectometer based on the standard reference carbon black 3# (SRB3#). This standard applies to all kinds of pigment carbon black.
GB/T 7048-2003 history
- 2012 GB/T 7048-2012 Colour carbon black.Determination of blackness
- 2003 GB/T 7048-2003 Colour carbon black-Determination of blackness
- 1993 GB/T 7048-1993 Colour black—Determination of blackness