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[DuPont] A registered trademark for a type of acetal resin. Delrin®, first marketed in 1959 by DuPont, is a polymer of formaldehyde. It is an extremely hard and durable thermoplastic with excellent dimensional stability and chemical resistance. Delrin® is used for injection molded parts and numerous automotive supplies.

Synonyms and Related Terms

POM; polyoxymethylen, acetal resin; Ertacetal® [Quadrant]; Celcon® {Ticona]; Hostaform® [Ticona]; Ultraform® [BASF]



Other Properties

Resistant to acids, alkalis and most solvents.

TAP Plastics: Technical data sheet

Density 1.41-1.43

Additional Information

° DuPont: Website

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p.791
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
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