Manufactured fibers

Manufactured fibers

Industry: Textiles

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Manufactured fibers

Optimum twist

Textiles; Manufactured fibers

In spun yarns, a term to describe the amount of twist that gives the maximum breaking strength or the maximum bulk at strength levels acceptable for weaving or knitting.

Optical brightener

Textiles; Manufactured fibers

1. A colourless compound that, when applied to fabric, absorbs the ultraviolet radiation in light but emits radiation in the visible spectrum. 2. Fluorescent materials added to polymer in ...

Opening

Textiles; Manufactured fibers

1. A preliminary operation in the processing of staple fiber. Opening separates the compressed masses of staple into loose tufts and removes the heavier impurities. 2. An operation in the ...

Oleophilic

Textiles; Manufactured fibers

A term describing a substance that has a strong affinity for oils.

Ortho

Textiles; Manufactured fibers

A chemical prefix, usually abbreviated o, signifying that two substituents appear in adjacent positions on a benzene ring.

A coarse cotton or polyester/cotton fabric, often partly of waste fiber, in a plain weave, medium to heavy in weight, that looks like crash. Unbleached osnaburg is used for grain and cement sacks, ...

Ottoman

Textiles; Manufactured fibers

Heavy, large, filling rib yarns, often of cotton, wool, or waste yarn, covered in their entirety by silk or manufactured fibre warp yarns, characterised this fabric used for women's wear and coats.