The difference between single screw extruder and twin screw extruder

Jul 05, 2021

1. In terms of price: the single screw extruder has a simple structure and low price; The twin screw has a complex structure and high price.


2. Plasticizing ability: single screw is suitable for polymer plasticizing extrusion and extrusion of granular materials. The shear degradation of the polymer is small, but the material stays in the extruder for a long time; The twin screw has a good mixing and plasticizing ability, and the material has a short residence time in the extruder, which is suitable for powder processing.


3. Operability: single screw operation is easy, process control is simple; Twin-screw operation is relatively complicated, and process control requirements are high.


Through the above introduction, I believe everyone has some understanding of the difference between single screw extruder and twin screw extruder. If you want to know more, you can contact us.

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