Grey 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.
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The staining scale consists of nine pairs of grey and white coloured chips from grades 1 to 5 (with four half steps).
- AATCC EP1
- AATCC EP2
- ISO 105-A02
- ISO 105-A03
This product is Grey Scale for assessing Staining - ISO 105 A03