Polyoxymethylene (POM)

Custom Components Manufactured with Polyoxymethylene (POM) PlasticPolyoxymethylene Plastic Epi Pen

Polyoxymethylene is a blend of plastic used in many types of injection molding applications. Since it is a high strength plastic, Polyoxymethylene is often favored for its high impact strength and hardness level, exceptional durability, and high flexural modulus. POM is manufactured by a number of different brands, and several of its variants include:

  • Delrin
  • Celcon
  • Ramtal
  • Duracon
  • Kepital
  • Hostaform

Polyoxymethylene has an exceptional flexural modulus of ~265,000 psi, making it a popular choice for small gears, ski bindings, lock systems, eyeglass frames, and other high use applications where strength is paramount. Like other thermoplastic materials, Polyoxymethylene turns to liquid at its melting point, rather than burning. It’s a low friction material as well, meaning POM doesn’t heat up easily when used in high friction applications. 

Due to its high hardness level, Polyoxymethylene does not bond with other materials. Surface etching, flame treatment, and mechanical abrasion are typically required to properly bond other materials to POM. 

Retlaw Industries uses innovative plastic injection molding practices to manufacture a number of Polyoxymethylene components for a countless number of industries. An acetal resin, Polyoxymethylene is vulnerable to acid hydrolysis and oxidation. 

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Properties of Polyoxymethylene (POM) at Room Temperature

Name Polyoxymethylene
Chemical Formula (CH2O)n
Melting Point (°C) ~165°C
Tensile Strength ~9000 psi
Impact Strength ~0.7-0.9 ft-lb/in notched Izod 
Hardness Level (Rockwell) R80
Flexural Modulus ~265000 psi

 

Uses for Polyoxymethylene (POM) Plastic

Polyoxymethylene is ideal for applications where high strength and durability are critical. Injection molded POM components are used in a wide variety of plastic products, including:

  • Mechanical gears
  • Ski Bindings
  • Metered Dose Inhalers
  • Insulin Pens
  • RC Drive Motors
  • Longboard Slide Gloves
  • Structural Glass
  • Clothing Zippers
  • And More


Custom Polyoxymethylene (POM) Injection Molding from Retlaw Industries

Injection molded POM components are ideal for high use applications where hardness and durability are crucial to producing success. Contact Retlaw Industries today for professionally designed and manufactured OEM Polyoxymethylene components such as:

The professionals at Retlaw Industries work alongside experienced assemblers and quality control specialists to ensure your injection molded Polyoxymethylene products are made to your exact specifications. Contact us today to get a quote on custom thermoplastic parts for your industry. 

Contact the Polyoxymethylene (POM) plastic manufacturers at Retlaw Industries for a quote on injection molding. 
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For over 40 years, Retlaw has produced quality injection molding tools which has led us into thermoplastic injection molding for a wide variety of industries. With over 19 injection molding machines, decades of collective experience, and over 50,000 square feet under roof and room to expand, we are always ready for your new projects.
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