... (Polyacetal), CAS NO.:24969-26-4, 1,3,5-Trioxane,polymer with 1, 3-dioxolane, Copolyformaldehyde Resin, ... 190C/2.16Kg) 9 g/10 min ISO 1133Water Absorption (24 hr, 23 C) 0.6 % ISO 62Mechanical properties ... 2600 MPa ISO 178Charpy notched impact strength 6.0 KJ/m2 ISO 179/1eAThermal properties Value ... Mpa Holding Pressure : 30-80 Mpa Back Pressure:0-0.5 MPa Screw Rotational Speed : 50-120 rpm Recommended ...