... with extruders of various specifications.The screen change-over duration for the double-position quick screen changer ≤1 second. The filter area is ... around 300°C.Nearly all the polymers are fit for screen changer, such as PC, PMMA, PET, PS, PU, PP, PE, EVA ... .Plate.5.Sheet.6.Cast film. Performance characteristic:1. The screen changer works simultaneously: when one net works, the other one replaced ...