Sheet (AcetronŽ Copolymer, UnitalŽ C Copolymer)
Acetal, has dimensional stability,
lower moisture absorption, and easier machinability than nylon, but is not as
good in slide wear. It is FDA/USDA/NSF/3A Dairy Approved, has continuous-use
temperature of 180 F, and is available in two types of Acetal sheet
(Homopolymers- DelrinŽ 150, Copolymers- Acetron® and Unital® C.