Azoic dyes
Azoic dyes are insoluble pigments formed within the fibre by padding.
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Colour Index (CI)
The colour index (CI) developed by the Society of Dyers and Colorists, is used for dye classification.
Dips
Dips are used to describe fabric or yarn when in the dye. Indigo yarns dipped in an indigo bath usually 6 times but up to 16 times.
Earth pigment
Earth pigment is the name of a class of pigments, which are usually mined directly from the earth, dried, generally Calcined and ground.
Fading
Fading (textile) is a subjective term used to describe the lightening of the colour of a jeans fading (pigmented) following exposure to the effects of washing, wearing, light, heat, time, temperature and chemicals.
Madder
Madder has been cultivated as a dyestuff since antiquity in central Asia and Egypt, where it was grown as early as 1500 B.C. Cloth dyed with madder root pigment was found in the tomb of the Pharaoh Tutankhamun and in the ruins of Pompeii and ancient Corinth.
Natural dyes
Natural dyes. Up to the middle of the 19th century, there were only natural dyes, and most of these were vegetable origin; natural indigo being one of the most critical colours because of natural colouring needs fixation (mordanting) to absorb
Over-dye
Over-dye is a fabric dye process on denim fabrics. Most frequently used on indigo or black denim fabric, this is over-dyed black and when coloured jeans are in trends.
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