Used Welex 4.5†Extruder, Model 450 36:1 LHSV, 36:1 L/D, electrically heated, water cooled, jacketed feed section vented barrel, with 250 H.P. DC Motor with SCR Controller, 17.55:1 gear box ratio, mounted on unitized base with 6 zone control panel, and 27 hold strand die on stand. Serial No. 494788.