Laboratory Extruder All plastic materials CE Certificated Automatic measuring loading Temperature and Output: Adjustable Laboratory ExtruderFeatures Specifications:Single screw laboratory extruders with diameters 20, 25 and 30 mm and all with an L/D ratio of 30.The 20 mm extruder available as Table Top version. The 25 and 30 mm extruders are available both as vented plain screws or equipped with ...