Shop for Copolymer Acetal rods. Copolymer acetal rod has excellent performance in continuous high heat and hot water environments. Copolymer acetal also tends to have less porosity than homopolymer acetal. Have machined into fabricated parts. Acetal comes in several colors. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote or learn more about acetal.