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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:

A pinafore apron or simply pinafore is a type of apron worn by women. It originates from "pin afore", reflecting that the bib part of an apron was earlier often secured to the chest using...
An old form of lithographic printing, for embroidery transfers. The design was transferred from the tissue paper on which it was printed, usually by ironing. Thick enamel-like pigments were employed...
The hair of the Angora goat. The long, fine fibers are so smooth and soft that they must be combined with other fibers in weaving.The hair of the Angora rabbit. The fine, lightweight hair is warm,...
A shirt is a sort of top, i.e. a piece of clothing for the trunk of the body. In the UK, it refers almost exclusively to what Americans call a dress shirt, i.e. a garment with a collar and a full...
Leather that is dyed right through during tanning and has no coating on the top of the hide. Only the top quality hides are used for this type of leather and they retain natural variations such as...

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