Acetal Resins

Acetal is a thermoplastic resin commonly used for injection molding applications. Acetal resins, or technically called polyoxymethylenes (POM), are among the strongest and stiffest of thermoplastics. Acetal copolymers are well known for their fatigue and wear resistance as well as high chemical resistance and dimensional stability.

Acetal resins provide an outstanding consistency of properties and color. They have exceptional solvent resistance and are virtually unaffected by strong bases. Acetals are rigid, creep resistant and strong. They possess low coefficients of friction, and remain stable at high temperatures, even for extended use.

TYPICAL APPLICATIONS: Mechanical Automotive, Business Machine and Household Appliance Components i.e. Slides, Gears, Cams, Bushings, Door Handles and Seat Belt Parts.

COMMERCIAL NAME: Celcon, Delrin

Advantages

  • High strength, stiffness, and toughness

  • High wear resistance

  • High melting point

  • Good frictional properties

  • Low moisture absorption

  • Creep and fatigue resistant

Disadvantages

  • Difficult to bond

  • Poor resistance to acid and bases

  • Subject to UV degradation

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