TextileGlossary.com

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 yarn spinning method in which roving ( a thin strand of fiber with very little twist) is fed to a 'traveler' with rotates around the edge of a ring. Inside the ring is a faster rotating bobbin. The...
A uniform is a set of standard clothing worn by members of an organization whilst participating in that organization's activity. People performing religious activities have often worn standard...
French for "false" can be anything made to simulate something that it's not. Examples: Faux graining (painting grain lines on figureless wood), faux suede (non-leather fabric made to simulate suede...
The removal of dye from a fabric by rubbing. Crocking can be caused by insufficient dye penetration or fixation, the use of improper dyes or dyeing methods, or insufficient washing and treatment...
A type of durable press finish in which the finish is applied to the fabric by the mill, but the garment manufacturer completes the cure of the finish by applying heat, using an oven, or press, or...

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