... Copolyformaldehyde Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane ... cause significant variations in data valuse. Material Drying : 80-90C, 3-4 hours Cylinder Temperature: Nozzle :180-210 (C) Front ... : Injection Pressure : 50-100 Mpa Holding Pressure : 30-80 Mpa Back Pressure:0-0.5 MPa Screw Rotational Speed ...