Grey Scale For Assessing Change In Color ISO 105/A02 GB/T250
Grey Scales (Gray Scales) are used for assessing colour change and staining during colour fastness testing. Both scales are used for visual assessment to enable you to specify a rating of 5, 4-5, 4, 3-4, 3, 2-3, 2, 1-2, 1.
Testing Categories: Colour Fastness, Dimensional Stability, Physical, Chemical
The grey scale / Color Fastness Scales are used in the assessment of Colour change occurring in fastness tests as described in ISO 105-A02. They are also essential in the grading of light fastness tests when using the Light Fastness Standards.