Acetal

Overview

Acetal is the common name for a family of thermoplastics with the chemical name “PolyOxyMethylene”, or POM.

Acetal is available in two general types of resins: Copolymer acetal (POM-C), and homopolymer acetal (POM-H); commonly called Delrin®.

Each type of acetal has its own set of advantages and disadvantages.

Temperature Range

-40°C to 120°C

Applications

Pump components
Valve components

Features

High stiffness
Low friction
Fatigue resistance
Good chemical resistance
Low moisture absorption