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Glass Filled Acetal / Delrin Copolymer/Homopolymer - Delrin 570

Glass-filled acetal is used in a variety of different industries such as the automotive and construction industries where added strength and stiffness are required. The "Glass" in glass filled acetal is powdered glass that is incorporated into the mix during the manufacturing stage. Incorporating powdered glass fibers into acetal will increase the stiffness substantially by up to 80% more than standard grade acetal. This means that the tensile strength is also increased in the process by up to 70%. 

Worried about thermal expansion? Glass filled acetal has about half the thermal expansion rate as unfilled acetal. What this means is that as the temperature goes up or down, your components would normally move all over the place, glass-filled grades tend to stay where they are. 

Brand Names

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 by filling out the form below.

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At a Glance

Generic Name
Polyoxymethylene

Available In
Sheet, Rod, Tube

Certifications
ITAR Registered

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Technical Information

Stock Products Properties Applications Advantages

Stock Products

TypeSizeLengthColor
Sheet 1/4″ – 3″ TH 12″ x 48″, 24″ x 48″ Natural
Rod 3/8″ – 6″ DIA 96″, 120″ Natural
Tube Custom Custom Natural
Film Custom Custom 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.

Properties

Physical PropertiesUnitsASTMResults
Density lb/in3 D792 0.0531 – 0.0614
Water Absorption. 24 hrs % D570 0.2 – 1.0
Mechanical PropertiesUnitsASTMResults
Tensile Strength @yield psi D638 3.050 – 13.500 psi
Thermal PropertiesUnitsASTMResults
Flammability Rating UL94 HB

Applications

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

Advantages

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