3305 SDCE Grey Scale for Change in Colour ISO 105 A02
The grey scale consists of nine pairs of non-glossy neutral grey coloured chips, which illustrate the perceived Colour differences. These give a corresponding fastness rating of 5, 4-5, 4, 3-4, 3, 2-3, 2, 1-2, and 1.
3355 SDCE Grey Scale for Staining ISO 105 A03
The grey scale consists of nine pairs of non-glossy grey and white coloured chips which illustrate the perceived depth of staining. These give a corresponding fastness rating of 5, 4-5, 4, 3-4, 3, 2-3, 2, 1-2, 1.
3305: Change in Colour (Includes Assessment Mask)
3355: Assessing Staining (Includes Assessment Mask)
Colour Fastness
Country of origine : England