Xenon Arc Light Fastness Tester with TestWise Touch™View
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 from 1 to 5, with 5 being 'good' and 1 being 'poor'.
Grey scales can be used for assessing colour change and staining during colour fastness testing.
The colour change scale consists of nine pairs of grey coloured chips, from grades 1 to 5 (with four half steps). Grade 5 represents no change and grade 1 depicts severe change in some standards.
The staining scale consists of nine pairs of grey and white coloured chips from grades 1 to 5 (with four half steps).
Manufactured strictly in accordance with ISO 105-AO2 and -AO3
With both the American and Japanese equivalents, we have all you need for your colour change and staining tests
Used for washing, water, perspiration and light fastness assessment; and staining assessment on undyed adjacent fabrics