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Delrin® Acetal POM Polyoxymethylene Plastic Product Family

About Delrin® ACETAL POM Polyoxymethylene

Acetal is the common name for a family of thermoplastics with the chemical name "PolyOxy-Methylene". Acetal is available in a general purpose copolymer grade, a homopolymer version (Delrin®), and several filled Delrin® grades. Acetal provides high strength and stiffness, enhanced dimensional stability, and is easy to machine. As a semi-crystalline material, acetal is characterized by a low coefficient of friction and good wear properties. 

Learn more about other common Acetal brands Acetron & TECAFORM

Need help deciding? Use our plastics selection tool  

Delrin® ACETAL POM Key Properties

Delrin® acetal homopolymer offers slightly higher mechanical properties than acetal copolymer, but may contain a low density center (also known as "center line porosity") especially in large cross-sections. The homopolymer also gives slightly less chemical resistance than copolymer acetal. For example, Delrin® is ideal for small diameter, thin-walled bushings that benefit from the additional strength and rigidity of homopolymer acetal.

  • Excellent Dimensional Stability
  • Excellent Machinability
  • Higher Strength & Stiffness than Copolymer Acetal
  • Low Coefficient of Friction
  • Low Water Absorption
  • Wear Resistance in Wet Environments


Common Delrin® Acetal POM-H Grades We Stock

Delrin® Grade

Description

ASTM Resin Specification

ASTM Shape Specification

  • Natural Unfilled Delrin POM-H Acetal 
  • D6778 Nat: POM0111
  • D6100 S-POM0111
  • Black Unfilled Delrin POM-H Acetal 
  • D6778 Blk: POM0100
  • D6100 S-POM0111
  • 13% PTFE Filled Delrin 100 - the most common AF grade 
  • D6778 POM0110L13
  • D6100 S-POM0132
  • 13% PTFE Filled Delrin 500
  • D6778 POM0110L13
  • D6100 S-POM0132
  • 20% PTFE Filled Delrin 100 or 500 
  • D6778 POM0110 B45340
  • D6100 S-POM0143
  • 20% PTFE Filled DE588 - Naval Grade
  • Higher crystallization Delrin POM-H Acetal grade 
  • D6778 POM0113
  • D6100
  • UV Resistant Delrin POM-H Acetal grade
  • ASTM D6778-20 POM0132 (ASTM D4181 withdrawn 2005, Replaced by D6778)
  • ASTM D6100-17 S-POM01601222434(Only for Acetal shapes >0.062" thick)
  • 20% glass filled Delrin POM-H Acetal Grade

What is the difference between Delrin®, Acetal Homopolymer & Acetal Copolymer? Check out our Understanding Acetals Guide to find out.

 Download Our Understanding Acetals Guide

What Delrin® Grade is best for your applications?  Use our Delrin® Selection Matrix to narrow down your choices.

    Common Delrin® ACETAL POM Applications


    • Bushings & Bearings
    • Gears & Sprockets
    • Manifolds
    • Pump & Valve Components
    • Rollers
    • Wear Strips

    Boedeker Plastics, Inc. & Delrin® ACETAL POM

    We stock a wide range of commercially available Delrin® grades in sheet, rod & tube and offer cut to sizesame day shipping on all inventoried Delrin® materials. Our entire inventory of Delrin® is coded for full traceability, we offer manufacturer certs. and C of C’s upon request at the time of order for all orders.

    We specialize in plastics-only machining and produce CNC machined Delrin® parts for prototype to production quantities. We offer technical support with Delrin® materials & parts regarding material selection by applicationpart design assistance & machining support.

    In addition, we offer injection molding for of Delrin® grades for higher part volume requirements in a wide range of applications.  For clients that have ongoing part requirements, we offer just-in-time (JIT) delivery with our customer inventory services

    We also specialize in technical services for Delrin® materials and parts that include material selection by application, improved part design assistance, onsite consultation and more. 

    As an alternative to onsite consultation we offer our TelePlastics™ remote support service.  This is a safe and secure remote solution, for the diagnosis and recommendation of plastic solutions, by our experienced Technical Service staff, utilizing the latest in telecommunication technology.

    We stand ready to put our 1,800 years of combined experience and services to work for you.

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