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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:

A lustrous, medium-weight, plain-weave fabric with a slight ribbed appearance in the filling (crosswise) direction. For formal wear, taffeta is a favorite choice. It provides a crisp hand, with lots...
Generally, a cotton or wool fabric, napped on one or both sides (usually both), then bleached, dyed or printed, and brushed or rerun through the napping machine to revive the nap. Flannel fabrics are...
a balanced plain weave fabric usually of linen or linen/cotton. It is made from smooth round yarns (not flattened by calendering). Used as a base for embroidered table linen, pillowcases, also in...
A brassard is a roughly triangular piece of fabric designed to be worn around the upper arm, held in place by a shoulder strap on the clothing underneath. It is used as an item of military uniform to...
a) Yorkshire Warping, Scotch Warping and Silk-System Warping A two-stage machine method of preparing a warp on beam and that consists of: 1. winding the warp in sections onto a reel (drum, mill or...

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