CNC Machined Delrin® 150

Starting from $29

Delrin® 150 is an acetal thermoplastic with high strength and great stability. It offers great abrasion resistance and machining properties.

Acetal provides high strength and stiffness, dimensional stability, low moisture absorption, a low coefficient of friction, good wear and abrasion properties, good chemical resistance, and is easy to machine. Moisture, lubricants, and solvents including gasoline have little effect on acetal, making them ideal for parts incorporating self-threading screws or interference fits.

High Strength & Stiffness

Due to rigidity, resilience, toughness and strength, acetal does not become brittle even with long-term exposure to unfavorable conditions including extremely high temperatures.

  • Excellent moisture and chemical resistance
  • Has center line porosity
  • High tensile strength
  • Excellent fatigue endurance
  • Excellent dimensional stability
  • Good electrical properties
  • Good creep resistance
  • Natural lubricant
  • Excellent machinability

    We love this material for robotics and machine parts. It's also great for protective wear surfaces.  Please review our Design Guidelines here.

Design Limitations

Maximum Part Size 35" x 46"
Sheet Thickness .125", .187", .250"
Cutting Process CNC, Chip-Subtractive
Tooling diameter .125" Minumum
Minimum internal radius .063"

Mechanical Properties

Tensile Strength (PSI) 11,000
Tensile Modulus (PSI) 450,000
Tensile Elongation at Break (%) 30
Compressive Strength (PSI) 16,000
Compressive Modulus (PSI) 450,000
Rockwell Hardness M89, R122
Melting Point 347 deg. F
Operating Temp 180 deg. F
Plastic and composite materials cut on our CNC machine will have small tabs.

These tabs hold your parts in place while being cut to ensure the best accuracy precision. Click below to learn what to expect and how to best design with these tabs in mind.

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