Copolyformaldehyde Resin, Acetal copolymer, POM (Polyacetal), CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane, ... Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane ... C ISO 75Flammability properties Value Unit Test StandardFlame Rating-UL HB class UL94Notes to users:Values shown are based on testing ...