This standard specifies the test method for measuring the tinting strength of carbon black with a reflectometer based on the industrial coloring reference carbon black ITRB. This standard applies to all kinds of carbon black for rubber.
GB/T 3780.6-1998 history
2016GB/T 3780.6-2016 Carbon black—Part 6: Determination of tinting strength
2007GB/T 3780.6-2007 Carbon black.Part 6:Determination of tinting strength
1998GB/T 3780.6-1998 Carbon black used in rubber products--Tinting strength test method