... Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane ... ExtrusionPhysical properties Value Unit Test StandardDensity 1.41 g/cm3 ISO 1183Melt Mass-Flow Rate (MFR) (190C/2.16Kg) ... Standard Heat Deflection Temperature 1.8Mpa, Unannealed 95 C ISO 75Flammability properties Value Unit Test StandardFlame Rating-UL HB ...