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Acetal (Delrin®) is a common plastic material known for it's low friction and wonderful demension stability. Acetal has low water absorption as well as high heat resistance. It's an almost prefect material for laser cutting or engraving which helps avoid costly setup fees for low quantity orders.

Acetal is resistant to most chemicals except chlorine. It has low friction and good electircal insulation proerties. Acetal also offers high tensile strenght, stiffness, creep and fatigue resistance as well as high impact resistance.

Additional Information

Positive Aspecs
  • High strength, rigidity and toughness
  • Good impact strength, even at low temperatures
  • Low moisture absorption (at saturation 0.8%)
  • Outstanding wear resistance and sliding properties
  • Excellent machinability
  • Good creep resistance
  • High dimensional stability
  • Good resistance to hydrolysis (up to ~140 °F)
  • Excellent resilience/recovery elasticity
Operating Range -40˚C to 120˚C
Industry Applications Gears
Safety restraint components
Door system components
Medical delivery devices
Ski bindings
Zip fasteners
Conveyor Bearings
Available Sizes Up to 24" diameter
Up to 6" thick
Estimated Lead Time 3-4 Weeks

Partial information courtesy of Ensinger®

ABSAcetal/DelrinCellulose AcetateFishpaperKynarNylonPEEKPESPolypropylenePolysulfone PTFE PVDFTechtron PPS
Cost Efficiant
High Melting PointX
Absorbs Moisture X XXX X X
Chemical Resistance
Electrical Insulation
Creep Resistance
FDA Approved