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What is "Fluorescent Brightener" - Definition & Explanation

A substance that is added to a textile (uncoloured or coloured) to increase the apparent light reflectance in the visible region by the conversion of ultraviolet radiation into visible light and so to increase the apparent brightness or whiteness of the textile.
Fluorescent brightening agents or optical brightening agents or fluorescent whitening agents are dyes that absorb light in the ultraviolet and violet region of the electromagnetic spectrum, and re-emit light in the blue region.

Some other terms

Some more terms:

Consist of a filament base yarn, with an exterior wrapping of loose fiber which has not been twisted into a yarn. Polyester filament is often wrapped with a cotton outer layer in order to provide the...
An infused polymer construction process that reinforces the fabric of outerwear garments in the places where they take the most abuse: zipper and pocket flaps, and other high-abrasion areas. The...
A general-purpose solvent is for thinning high quality wood finishing lacquers. It is not suitable as an acrylic or automotive thinner. But is an excellent degreasing and cleaning solvent for shop...
Dyes derived from insects or from the earth, including dyes made from plants and bark, which includes madder root, indigo, milkweed, pomegranate, Osage, cutch and cochineal. These also include...
Sustainable clothing and sustainable fashion is very subjective. Clothing that reduces the environmental impact. Clothing that supports and nourishes the earth and the lives of all people involved in...

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