... the trefoil structure. Its inbuilt characteristics are as follows: 1, Screw shaft is of three start threads. Materials are being sheared 3 ... the barrel, which is triple the amount of the Twin Screw Extruder. 3, To accomplish the same plasticizing process, the required ... L/D ratio is 1/3 of the Twin Screw Extruder. 4, To accomplish the same plasticizing process, the material ...