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).

James Heal - Magnifying glass/quality inspection

Manufactured strictly in accordance with ISO 105-AO2 and -AO3

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With both the American and Japanese equivalents, we have all you need for your colour change and staining tests

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Used for washing, water, perspiration and light fastness assessment; and staining assessment on undyed adjacent fabrics

Grey Scales
direct from James Heal, USA
$144.00

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