POM or polyoxymethylene is an engineering resin used for the past 50 years primarily in injection molding. Parts thusly formed typically replace metal. POM's usefulness is derived from its strength, stiffness, toughness, creep resistance, and natural lubricity. Both POM copolymer and homopolymer producers compete in this market space. POM homopolymer grades have known advantages in mechanical properties, while the copolymer grades have known advantages in thermal stability and chemical resistance. This paper presents a new POM copolymer grade with mechanical properties matching homopolymer with no sacrifice in thermal stability and chemical resistance of POM copolymers.

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