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Acetal is the common name for a family of thermoplastics with the chemical name “PolyOxy-Methylene”. Acetal is available in a general purpose copolymer grade. A homopolymer version (Delrin®). and several Acetal filled Delrin® grades provides high strength and stiffness, enhanced dimensional stability and is easy to machine. As a semi-crystalline material, acetal is characterized by a low coefficient of friction and good wear properties.

Brand Names

  • Unital® RG

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
PolyOxy-Methylene

Available In
Sheet, Rod, Tube

Certifications
ITAR Registered

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Gallery

Technical Information

Stock Products Properties Applications Advantages Grades

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

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 973-434-7432.

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