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DELRIN® 570 shapes are 20% glass filled materials intended for general industrial use. The material offers very high stiffness, low warpage, and low creep for superior part performance under stress. Parts designed using glass filled will demonstrate good impact resistance, low deformation under load and high fatigue endurance. DELRIN® 570 is used in a variety of industries such as automotive or construction where added strength and stiffness are needed.

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At a Glance

Generic Name
Polyoxymethylene, Polyacetal

Available In
Sheet, Rod, Tube

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Technical Information

Stock Products Properties Applications Advantages

Stock Products

Sheet .250 – 3” 24” x 48’, 12” x 48”, 48” x 96” Natural
Rod 3/16″ – 2 3/8″ 96”, 120” Natural
Tube Call for Sizes Call for Sizes Natural

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


Physical PropertiesUnitsASTMResults
Specific Gravity g/cc D792 1.56
Water Absorption, 24 hrs % D570 0.10
Mechanical PropertiesUnitsASTMResults
Tensile Strength @ yield psi D638
Tensile Elongation % D638
Izod Impact (notched) ft-lbs/in D256
Flexural Strength psi D790
Flexural Modulus psi D790 725000
Compressive Strength psi D695
Compressive Modulus psi D695
Stress at Break psi 8500
Strain at Break % 12
Thermal PropertiesUnitsASTMResults
Coeffcient of Linear Thermal Expansion (x 10^-5 in./in./°F)
Heat Deflection Temp at 264 psi °F 266
Melting Temperature °F 352
Max Operating Temp. °F
Thermal Conductivity BTU-in/ft²-hr-°F
Flammability Rating
Electrical PropertiesUnitsASTMResults
Dielectric Strength. 1/8″ th. V/mil D149
Dielectric Constant @1 MHz
Dissipation Factor@1 MHz D150 50
Volume Resistivity, 50% RH ohm-cm D257 10^15

NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.


  • Bearings
  • Gears
  • Electrical components
  • Fuel system parts
  • Close tolerance performance parts


  • Meets ASTM-418
  • Very good dimensional stability
  • Good impact properties
  • Glass fibers offer stiffness but not reinforcement
  • Good machinability
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