TextileGlossary.com

What is "Heavy metal free dyes" - Definition & Explanation

Heavy metal free refers to dyes that do not require the use of heavy metals to achieve the fixation of colors. Toxic heavy metals, such as chrome, copper and zinc, which are all known carcinogens, are commonly used as fixers in dyes. And, although most heavy metals can be removed from the effluent through wastewater treatment, this often does not occur.

Some other terms

Some more terms:

A design effect created on a woven fabric by the use of extra yarns which are woven into the fabric at a certain spot then allowed to float over the fabric to the next spot. The float threads are...
Certain treatments to achieve a desired effect or performance, dry being those applied mechanically. Dry finishes are generally considered environmentally preferable and consumer friendly as they use...
A term used to describe fabrics which have been joined together through the use of a high-strength reinforcing scrim or base fabrics between two plies of flexible thermoplastic film.. It can a bonded...
A fabric produced by interlocking loops in a lengthwise direction. Warp knits tend to be flatter, smoother, more run resistant, and more stable than weft knits. Examples are tricot, raschel and...
(Dye-variant fibers) Fibers, natural, or man-made, so treated or modified in composition that their affinity for dyes becomes changed; ie, to be reserved, dye lighter, or dye darker than normal...

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