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DuPont™ Delrin® acetal resin, the world’s first acetal polymer, is a highly versatile engineering polymer. It offers an excellent balance of desirable properties that bridges the gap between metals and ordinary plastics. Since its introduction in 1960, it has been widely used around the world in many applications, such as the automotive, industrial, electronic, and consumer goods industries. Delrin® has gained widespread recognition for its reliability and performance in thousands of engineering components all over the world. Delrin® is the DuPont registered trademark for its brand of acetal resin also commonly referred to as polyoxymethylene (POM). Properties and Characteristics The chemical composition, regular molecular structure and high degree of crystallinity result in a unique combination of outstanding characteristics of Delrin® acetal resins not found in metals or most other plastics:          

  • High mechanical strength and rigidity
  • Toughness and high resistance to repeated impacts
  • Long-term fatigue endurance
  • Excellent resistant to moisture, gasoline, solvents, and many other chemicals of neutral pH          
  • Excellent dimensional stability
  • Good resilience and resistance to creep
  • Natural lubricity
  • Wide end-use temperature range
  • Good electrical insulating characteristics