... , 1,3,5-Trioxane,polymer with 1, 3-dioxolane, Copolyformaldehyde Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26 ... an excellent engineering plastics, in foreign countries have "wins Steel", "super steel" is called. pom has been widely used in electronic and ...