... , 1,3,5-Trioxane,polymer with 1, 3-dioxolane, Copolyformaldehyde Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26 ... . In many new fields of applications such as medical technology, sports equipment, etc., POM has a very low coefficient of friction ...