Definition: Azoic dyes are not ‘ready – made’ dyes but are produced through an in-site process which creates the colored material directly on the fabric by a coupling reaction between napthol/ coupling component and diazo component.
Properties:
(1) Water insoluble dyes.
(2) There ere two component of dye molecule.
(3) Color is developed by a coupling reaction.
(4) Applied in alkaline condition.
(5) Very suitable for cellulosic fibers.
(6) It is applied for bright colors.
(7) Fastness properties good.
(8) Comparatively cheap in price.
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