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Home » Products » Acetal

Applications

  • Bearings
  • Bushings
  • Electrical components
  • Gears
  • Rollers
  • Structural keels

Advantages

  • Excellent wear resistance
  • Very good strength. stiffness
  • Good heat resistance
  • Excellent chemical resistance
  • Opaque

Grades

  • Acetal Copolymer. unfilled
  • Acetal Homopolymer. unfilled - Delrin®
  • Acetal Homopolymer. PTFE filled - Delrin®
  • Glass Reinforced
  • Static Control
  • Electrostatic

NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call (800) 292-9906.


Additional Info

Download Product PDF
Download MSDS PDF
 Acetal

[ Polyoxymethylene, Unfilled ]

Homopolymer, Unfilled - Delrin®

Homopolymer, Unfilled - Delrin®

Homopolymer acetal is most commonly recognized as Delrin, resins that are currently made by the DuPont Company under the trade name Delrin®AF. Homopolymers have slightly higher mechanical and thermal properties than Copolymers.

Brand Names
Sustarin®, Unital®

Emco Industrial Plastics doesn't claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative at (800) 292-9906.

Availability
TYPE SIZE LENGTH COLOR
Sheet 3/8" - 2" TH 12" x 48", 24" x 48", 48" x 96" Natural, Black
Rod 1/4" - 6" DIA 96", 120" Natural, Black
Tube CUSTOM Natural, Black
Film CUSTOM Natural, Black

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 lb/in3 D792 0.0513
Water Absorption. 24 hrs % D570 0.25
MECHANICAL PROPERTIESUNITSASTMRESULTS
Tensile Strength @yield psi D638 11
Tensile Modulus psi D638 450
Tensile Elongation @Break % D638 30
Flexural Strength psi D790 13
Flexural Modulus psi 400000 450
Compressive Strength psi D695 16
Compressive Modulus psi D695 450
Hardness. Rockwell R D785 M89/R122
IZOD Impact Strength Notched ft-lb/in D256 1
THERMAL PROPERTIESUNITSASTMRESULTS
Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) 4.7
Heat Deflection Temp at 264 psi °F 250
Melting Temperature °F D3418 347
Max Operating Temp °F 180
Thermal Conductivity BTU-in/ft2-hr-°F C177 2.5
Flammability Rating UL94 HB
ELECTRICAL PROPERTIESUNITSASTMRESULTS
Dielectric Strength V/mil D149 450
Dielectric Constant D150 3.7
Dissipation Factor D150 0.005
Volume Resistivity. 50% RH ohm-cm D257 1015
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.
Emco Industrial Plastics, Inc. | Tel: 800-292-9906
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