GB/T 7050-2003
Colour carbon black-Determination of tinting strength

Be replaced

Standard No.

GB/T 7050-2003

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 3780.6-2007

Lastest

GB/T 3780.6-2016

Scope

This standard specifies the test method for measuring the tinting strength 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 7050-2003 history

• 2016 GB/T 3780.6-2016 Carbon black—Part 6: Determination of tinting strength
• 2007 GB/T 3780.6-2007 Carbon black.Part 6:Determination of tinting strength
• 2003 GB/T 7050-2003 Colour carbon black-Determination of tinting strength
• 1993 GB 7050-1993 Colour black—Determination of tinting strength

GB/T 7050-2003 Colour carbon black-Determination of tinting strength was changed to GB/T 3780.6-2007 Carbon black.Part 6:Determination of tinting strength.