Direct Dye Yellow R

Direct dye yellow R

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Direct dyes are dyes that can be heated and boiled in neutral and weak acid media without the aid of mordants

Direct dyes are classified according to their application: there are common direct dyes, direct lightfast dyes and direct azo dyes. Direct dye yellow R is a common direct dye.

Production Basic data of Direct Dye Yellow R:

Use of direct dye yellow R

1、Direct dye yellow R can directly dye cotton, silk and wool, as well as rayon, artificial cotton, artificial wool, tiger kapok, nylon and vinylon, but it is mainly used to dye plant fibers and silk. Its biggest shortcoming is that the fastness to washing and soaping is not very good. The general fastness to direct sunlight is only about three.

2、Direct dye yellow R are still used by various industries in various textiles and other light industrial products。

1) Cashmere sweaters and trousers in the knitting industry are rarely washed and sun-baked, and their color absorption is large, so dark red, maroon, dark blue, etc. are generally dyed with direct environmental dyes;

2) In the wool spinning industry, artificial blankets, nylon gabardine, nylon vandine, wool-viscose blended woolen cloth, etc., where the viscose part is dyed with direct dyes;

3) Direct dye yellow R used in the silk industry: rayon quilt cover, beautiful silk, thread antimony fabrics and some silk products;

4) Direct dye yellow R are used in the paper industry to dye colored cellophane, kraft paper and other packaging paper

5) Direct dye yellow R are used in the leather industry to dye pigskin, cowhide and sheepskin leather;

6) Direct dyes are used in soap making industry: colorants for certain soaps and other cosmetics;

Customer Sulphur Dyes Catalog：