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Colour Index (CI)

The colour index (CI) developed by the Society of Dyers and Colorists, is used for dye classification.

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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.

Fixation

Fixation

Fixation is a term used to describe the formation of a sort of final bond between the fibre and dye. The bond type formed changes with the type of dye and the fibre. For example, acid dyes fixing is usually performed by different assortment of mechanisms like hydrophobic forces and ionic bonding, while in the case of reactive dyes generally fixes by covalent bond. Read more..