Delrin (POM) Injection Molding

Delrin is a high strength material with excellent wear resistance

GET DELRIN PARTS
polishing an injection mold

Injection-molded Delrin (POM) offers high-tensile strength, low-friction and high-wear resistance, creep and warp resistance, and overall durability and toughness. It's a high-performance material for parts that will be in harsh environments or experience heavy wear.

The Main Benefits of Delrin (POM):
  • Dimensional stability
  • Superior impact and creep resistance
  • High fatigue endurance
  • High strength and stiffness properties
  • Chemical resistance to fuels and solvents
  • Low moisture absorption
  • Good wear and abrasion properties
  • Natural grade is FDA, NSF, and USDA compliant

Delrin Material Properties

  Tensile Modulus
ISO 527-2
 Tensile Strain (Yield)
ISO 527-2
 Rockwell Hardness
ISO 2039-2
 Heat Deflection
ISO 72-A/B		 Data Sheet
Delrin 500P 3,100 MPa 17%

M-Scale: 90
R-Scale: 120

 66 psi, Unannealed: 160 C
264 psi, Annealed: 110 C		 VIEW PDF

Grab a Design Cube

Want to learn more about injection molding? Sign up to receive a Design Cube. This physical aid demonstrates how to properly design features commonly found on molded parts.

GET DESIGN CUBE

Uses for Molded Delrin Parts

The robust mechanical properties of Delrin makes it a good material choice for parts that are in moist or wet environments and high wear applications. In many cases, it can be used as an alternative to metal.

Typical parts include:

  • Pump and valve components
  • Gears
  • Bearings
  • Bushings
  • Fittings

Related Resources

Selecting the Right Plastic for Your Next Molded Part

Selecting the Right Plastic for Your Next Molded Part

Learn the key characteristics of common injection molding materials and recommended applications.
Read Design Tip arrow_right_alt
Thermoplastic and thermoset materials used for parts in injection molding

Thermoplastic vs. Thermoset

Explore and compare how high temperatures affect thermoplastics & thermosets for injection molding.
Read Design Tip arrow_right_alt
Delrin part examples

Delrin Material Properties Offer Strong, Versatile Plastic Alternative to Metal

Consider Delrin as an excellent plastic replacement for metal because of its strength, versatility.
Read Blog arrow_right_alt
Thermoplastic materials

Material Alternatives for Plastic Injection Molding

During shortages, use these substitutes for ABS, PC, PP, and other commonly molded thermoplastics
Read White Paper arrow_right_alt