... Copolyformaldehyde Resin, Acetal copolymer, POM (Polyacetal), CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane ... Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane ... Standard extruders with grooved feed zone and short compression screws (min. 25 D) will fit. Melt temperature : 180-190CAcquired ...