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
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As designers and producers of both instruments and test materials, our team has an in-depth understanding of testing conditions and requirements, to provide you with the best solution possible.
