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Polyformal aldehyde (POM)

Product Type  Plastic and rubber raw materials
Product Classification Plastic and rubber materials

Product Introduction

Polyformal aldehyde (POM), also known as acetal resin, polyoxymethylene, polyacetal, is a thermoplastic crystalline polymer known as "super steel" or "exceed steel."


Product Characteristics

POM is a tough and elastic material, which has good creep resistance, geometric stability and impact resistance even at low temperatures. POM is available in both homopolymer and copolymer materials. Homopolymer materials have good tensile strength and fatigue strength, but are not easy to process. Copolymer materials have good thermal stability, chemical stability and easy to processing. Whether homopolymer materials or copolymer materials, are crystalline materials and do not readily absorb moisture. The high degree of crystallinity of POM results in relatively high shrinkage, up to 2%-3.5%. Shrinkage varies for different reinforcing materials.



Field of application

POM has been widely used in electrical and electronic, machinery, instrument, daily light industry, automobile, building materials, agriculture and other fields.

Widely used for manufacturing various sliding and rotating mechanical parts, making various gears, levers, pulleys and chain wheels, especially suitable for making bearings, hot water valves, precision metering valves, chain rings and rollers of conveyors, flow meters, internal and external handles of automobiles, cranks and other window rotating machinery, oil pump bearing seats, impeller gas switch valves, electronic switch parts, fasteners, binding post mirror masks, electric fan parts, heating plates and instrument buttons; Bearings for audio and video tapes, all kinds of pipes and agricultural sprinkler systems, as well as valves, nozzles, faucets, bath basin parts; Switch keyboard, button, audio and video tape reel; Temperature control timer; Power tools, garden tools parts; in addition, it can be use as parts of surfboard, sailboat and various sleds, miniature gears of watches, frame accessory of sports equipment and various buckles, fasteners, lighters, zippers and buckles for backpacks; Cardiac pacemakers in medical devices; Artificial heart valve, apex vertebra, artificial limb, etc.