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Delrin AF DE588

Delrin® AF DE588 is a 20% PTFE filled homopolymer acetal that is fully tested and certified for use by the United States Navy. The resin is manufactured by DuPont and is used extensively in a variety of applications primarily on submarines.

This advanced acetal material uses a combination of PTFE fibers uniformly dispersed in Delrin acetal resin. The combination results in improved wear characteristics along with strength, toughness, dimensional stability and machinability. The profile also yields a material with superior load bearing capabilities, especially when operating at high speeds.

 

Applications Include:

• Valve seats
• Bearings
• Bushings
• Thrust washers
• Seals
• Gaskets
• Submarine components

 

Do you need Fabrication or Machining for Delrin AF DE588?

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At a Glance

Generic Name
Polyoxymethylene, Polyacetal

Available In
Sheet, Rod, Tubular Bars

Brands
Delrin®

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Technical Information

Stock Products Properties Applications Advantages

Stock Products

Sheets:
Thickness: 3/8” to 6”
Width: 12”, 18”, 24”
Length: 4’

Rods:
Diameter: 3/8” to 10”
Length: 4’ | 8’ | 10’

Tubular Bars
OD: 3” to 6”, 10”, 12”
Wall Thickness ≥ 1/2”
Length: 4’ | 8’

 

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

Properties

Physical PropertiesUnitsASTMResults
Density g/cm3 D792-13 1.54
Water Absorption, 24 hrs % D570-98 0.2
Mechanical PropertiesUnitsASTMResults
Tensile Strength @ yield psi D638 6100
Tensile Modulus psi D638 320
Tensile Elongation @Break % D638 20
Flexural Strength psi D790
Flexural Modulus psi D790
Compressive Strength psi D695 11000
Compressive Modulus psi D695 35000
Hardness, Rockwell R R Scale D785-08 115
IZOD Impact Strength Notched ft-lb/in D256
Thermal PropertiesUnitsASTMResults
Coeffcient of Linear Thermal Expansion (x 10^-5 in./in./°F) 5.0
Heat Deflection Temp at 264 psi °F 224
Melting Temperature °F 347
Max Operating Temp. °F 180
Thermal Conductivity BTU-in/ft²-hr-°F n/a
Flammability Rating HB
Electrical PropertiesUnitsASTMResults
Dielectric Strength. 1/8″ th. V/mil D149
Dissipation Factor@1 MHz ohm-cm D257

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.

Applications

  • Bushings
  • Bearings
  • Seals
  • Gaskets
  • Valve seats

Advantages

  • High hardness and stiffness
  • Very high mechanical properties
  • Excellent creep resistance and dimensional stability
  • Excellent dielectrical properties
  • Low coefficient of friction
  • Compliance with the requirements of ASTM D6100-14 S-POM0143
  • Compliance with NAVSEA 5959311 rev C and NAVSEA 803-4384678 rev B and C
  • Complete traceability to resin lot and batch
  • Small minimum order requirements
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