High strength and excellent machinability

Polyoxymethylenes are engineered Thermoplasti-cics, which are formed through co-polymerisation of formaldehyde. Due to its chemical structure, POM-engineering plastics are also referred to as polyacetals.

They possess high crystallinity andbelong to the stiffest and most solid Thermoplasti-cic engineered plastics with good tensile strength, high surface hardness, and low friction at the same time. Polyoxymethylenes are often used as preci-sion parts for precision engineering and serve as a substitute for metals.

Product information
Name: Polyoximethylene
Other names: Polyacetal, Polyformaldehyd
Abbreviation ISO 1043: POM
CAS-number: 9002-81-7
Type of polymer: Thermoplastic
Molecular Shapeula: (CH2O)n
Material Properties
Water absorption: less good
Strength, Hardness, Toughness: good
Temperature for usage in air: good
Dimensional stability, Heat distortion temperature: good
Bond-, Weld- and Machinability: very good
Acid and Chemical resistance: good
Field of application
  • Scrapers
  • Chain guides
  • Rollers
  • Seals
  • Bearing bushes
  • Toothed wheels
  • Guides
  • Pump components
  • Glide strips
  • Valve bodies

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