TextileGlossary.com

What is "Water-Repellent" - Definition & Explanation

Water repellent is a wet, usually semi-durable finish applied to yarn rather than a finished fabric in order to resist the penetration of water while allowing the passage of air and moisture. The finish can be a wax emulsion or other chemical, and each option varies in efficacy, toxicity and eco-friendliness.
Fabrics that have been treated with a finish which cause them to shed water and resist water penetration, but are still air-permeable. Treatments can include wax coatings, resins, silicones, and fluorine derivatives. Such treatments do not close the pours of the fabric, while waterproof finishes do.
Fabrics that have been treated to resist wetting and shed water by causing the water to bead on the surface. It does not close the pores of the fabric as waterproof treatments do, so the fabrics are comfortable to wear. It will offer protection in a light shower but not heavy rain. Water repellency may be added by treating the fabric with fluorocarbon chemicals, wax, silicone or resins. Sometimes called water resistant.
A type of finish applied to a textile fabric and that prevents the spreading of globules of water over its surface.
NOTE:
The term is normally not applied to a water-repellent finish that is impervious to air; this is generally referred to as "waterproof".
A term applied to fabrics that have been treated with a finish which causes them to shed water, but are still air-permeable.

Some other terms

Some more terms:

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Leather that has an opaque color coat and clear top coat. Defects are removed during the tanning process. Finished leather has been buffed and embossed during manufacture to make the hide more...
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The distance between the beginning of one complete pattern in the fabric weave, print, or design and the beginning of the next identical pattern. Fabric may have vertical or horizontal repeats or...
The thin compressed edge of a woven fabric which runs parallel to the warp yarns and prevents raveling. It is usually woven, utilizing tougher yarns and a tighter construction than the rest of the...

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