The age is a fashionable age. The world is advancing towards novelty and fashionable items, leather s one of them. Leather finishing is essential operation to make leather attractive and aesthetic to the customer. There are various kinds of dye used in leather finishing, metal complex dye is one of them.
Importance of Finishing in Leather
Leather industry mostly produces crust and finished leather from chrome tanned wet blue either dyed or undyed during crust stage. Recently aniline and semi-aniline finish leathers are gaining importance. Being metal complex dyes a sub group of anionic dyes mostly popular for their special properties for the production of aniline and semi-aniline leathers.
1.To improve the appearance either by leveling the color and hiding the surface defects or by providing a base for the production of a polish or gloss.
2.To afford protection against moisture, soling and abrasion.
3.To render the color fast of wet and dry rubbing.
4.To provide some special effects.
5.To provide excellent adhesion properties to continuous flexing and abrasion when in use.
6.To have good wetting and spreading characteristics.
7.To provide extra fell and smoothness to the leather surface.
8.To prevent mould or fungal growth.
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