... ,5-Trioxane,polymer with 1, 3-dioxolane, Copolyformaldehyde Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26-4, 1,3 ... pipe device (pipe valves, pump casing), lawn equipment, etc. M90 Acetal (POM) CopolymerGeneral Material Status Standard-flow grade, with minimized mold ...