Acetal - Plastic resin

An engineering thermoplastic introduced to industry in 1956 as a potential replacement for die-cast metals. Acetal resins are produced by the polymerization of purified formaldehyde [CH 2 O] into both homopolymer and copolymer types. Industrial end-users are very familiar with the acetals in the form of gears, bearings, bushings, cams, housings, conveyors and any number of moving parts in appliances, business machines, etc., Consumers may be more familiar with applications for acetal such as automotive door handles, seat belt components, plumbing fixtures, shaver cartridges, zippers and gas tank caps. Acetal is extremely rigid without being brittle. They have a high melting point, high strength, good frictional properties and resistance to fatigue.

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