... POM (Polyacetal), CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane, Copolyformaldehyde Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene ... Steel", "super steel" is called. pom has been widely used in electronic and electrical, mechanical , instruments, daily-use light ... as a result of high temperature, it is also used pipe device (pipe valves, pump casing), lawn equipment, ...