The Blue Wool Scale measures and calibrates the permanence of colouring dyes. Traditionally this test was developed for the textiles industry but it has now ...
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The Blue Wool Scale. The Blue Wool Scale measures and calibrates the permanence of colouring dyes. Traditionally this test was developed for the textiles ...
The ISO blue wools are each dyed with a different dye giving rise to a light fastness scale which is an approximate geometric progression, ranging from 1 to 8.
Duration: 10:19
Posted: Oct 14, 2021
Posted: Oct 14, 2021
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Eight pieces of wool cloth tinted with blue dyes of different degrees of fastness mounted on a 5" x 1.5" card. These cards conform to the following ...
The Blue Wool Scale. The Blue Wool Scale measures and calibrates the permanence of colouring dyes. Traditionally this test was developed for the textiles ...
The Blue Wool scale, with a range of 1 to 8, uses samples of wool dyed with 8 different blue pigments each of which fade after different exposure times: 1 being ...
The Blue Wool Scale, as used by the printing industry, is a measure of the time it takes for an appreciable difference to appear between a masked and an exposed ...
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The Blue Scale can be used to document the effect of light irradiation, e.g. on paintings, prints and textiles. The control element consists of 8 blue textile ...