Pre World is extruder confluence core manufacturer and supplier in China who can wholesale extruder confluence core. Function of fine-tuning device for plasticization: When the plasticization is slightly low or slightly high, you don’t need to consider other problems of the extruder. You can adjust the plasticization by lowering or raising the temperature of the confluence core. Lowering the temperature of the confluence core increases the plasticization, and raising the temperature of the confluence core reduces the plasticization. The temperature of the confluence core is generally set to 155℃ or 170℃, and it is set and adjusted according to the actual situation.