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What is "Catalyst" - Definition & Explanation

A substance, which accelerates a chemical reaction although not necessarily a part of that reaction. Catalysts are used in fiber production, and textile dyeing, finishing and processing.
a substance that, when added to a reaction mixture, changes (speeds up) the rate of attainment of equilibrum in the system without itself undergoing a permanent chemical change.

Some other terms

Some more terms:

A chemical reagent capable of bleaching, e.g. oxidising agents such as sodium or calcium hypochlorite, sodium chlorite, permanganates, hydrogen peroxide, and reducing agents such as sulphur dioxide...
A DuPont trademark for its spandex fiber. Any time you see this fiber listed on a label, expect comfort, movement, and shape retention that won't wash away. Lycra increases the life of a garment,...
A silk, rayon, or manufactured fiber necktie fabric with a broken rib weave and a characteristic pebbly appearance. A fine, dress fabric with a silk warp and worsted filling, woven in a broken...
A method of compressing, shrinking and felting a fabric through the use of moisture heat and mechanical pressure. Usually done on wool and wool blends such as melton. The process often obscure the...
satin-back crepe, crepe-satin, or satin-crepe) satin weave on the face and a crepe effect on the back obtained with twisted crepe yarns in the filling - 2 or 3 times as many ends as picks per inch....

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