TextileGlossary.com

What is "Azo-free colorants" - Definition & Explanation

Azo-free colorants are dyes and pigments that are free of the nitrogen-based compounds aromatic amines, also referred to as "Azos". These compounds are toxic and banned in the EU due to their mutagenic, carcinogenic and often allergic properties. These dyes are not biodegradable.

Some other terms

Some more terms:

The force necessary to tear a fabric, measured by the force necessary to start or continue a tear in a fabric. Expressed in pounds or in grams, the most commonly used method for determining the tear...
Term used to describe a fabric used in outerwear, which allows for a minimum pack volume and weight. Lightweight packable garments offer the most versatile weather protection. Some of these fabrics...
Fibers of relatively short length, inches or cm. Most natural fibers (except silk) are staple fibers. Staple fibers must be twisted or spun into yarns. Staple fibers expose more fiber ends on the...
Medium to heavy weight twill fabric with a soft, short nap covering the weave. It has a sueded, velvety hand. Originally made of wool or wool blends but may be of cotton or other fibers. Used in...
Mercerisation alters the chemical structure of the cotton fibre. The structure of the fibre changes from alpha-cellulose to beta-cellulose. Mercerising results in the swelling of the cell wall which...

Companies for Azo-free colorants:


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