... 1,3,5-Trioxane,polymer with 1, 3-dioxolane, Copolyformaldehyde Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3 ... Molding and ExtrusionPhysical properties Value Unit Test StandardDensity 1.41 g/cm3 ISO 1183Melt Mass-Flow ... Value Unit Test Standard Heat Deflection Temperature 1.8Mpa, Unannealed 95 C ISO 75Flammability ...