Hand-operated Extruder Universal Hydraulic Soil Sample Extruder Purpose:mainly used for cylinder, such as the stability of soil specimen nondestructive demoulding. Specification: For stripping the cylinder specimen of asphalt mixtures from the mold without destruction. It consists of a 5 ton capacity hand operated, Hydraulic jack mounted ona suitable frame two plungers, one of 100 mm dia and the other of 1 50 mm dia machine is supplied one thrust plate for 150mm dia and 1 00mm.