This standard specifies the test methods for the tinting strength of liquid inks. This standard applies to inks with an apparent viscosity in the range of 0.05Pa·s-0.25Pa·s (or in the range of 25 s-130 s when applied to a No. 4 cup).
2020GB/T 13217.1-2020 Test method for colour and tinctorial strength of ink
2008GB/T 13217.6-2008 Test method for relative tinting strength of liquid ink
1991GB/T 13217.6-1991 Test method for relative tinting strength of plastics gravure printing inks
GB/T 13217.6-2008 Test method for relative tinting strength of liquid ink was changed to GB/T 13217.1-2020 Test method for colour and tinctorial strength of ink.