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