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  Best Trichromatic combinations in Bifunctional Dyes

Reactive ME dyes:

The major reasons for using Reactive ME dyes are:

• More than 90% reproducibility

• Almost 100% bulk to bulk reproducibility

• Better Light fastness than other class of dyes

• Better chlorinated poor water fastness

• Least affected by hardness of process water

• Least metamerism

Suggested Trichromy for Deep Shades:

Reactive G.Yellow MERL
Reactive Red ME4BL
Reactive Blue MERF

Suggested Trichromy for Light Shades:

Reactive G.Yellow MERL or Reactive Yellow ME4GL
Reactive Red ME3BL
Reactive Blue MERF

This trichromy is least sensitive to Dyebath variables such as Salt addition, Alkali addition, Time of Dyeing, Temperature of dyes and MLR variation.

All these dyes in Trichromy have similar Primary Exhaustion, Secondary Exhaustion and Fixation.

The Light fastness of the above trichromy is generally good and almost it is 4 in self shades and combinations

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