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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