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What is "Fluorescent Brightener" - Definition & Explanation

Fluorescent Brightener
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 Brightener
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:

yarns made up of 2 different colors, produced by combining fiber strands (rovings) of 2 different colors, or twisting together 2 yarns of different colors, or by cross dyeing plied yarns of 2...
Free swell absorbency is a measure of the ability of a textile material to absorb and hold fluids, such as water or oil. It is commonly used to evaluate the performance of materials that are used in...
A wool fabric made in France from the wool of Pyrenees? flocks of sheep. The Pyrenees are a mountain chain between France and Spain. The fabric is well known because it is a high quality fabric which...
A strong, soft fiber yielded by the inner bark of the Ramie plant. The fiber is white, soft, lustrous and slightly coarser than flax (linen) when degummed and bleached. Ramie fabrics are strong,...
A variation on the twill weave construction in which a broken check effect is produced by a variation in the pattern of interlacing yarns, utilizing at least two different colored yarns. This check...

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