It is also used to produce modified starch, and to pelletize animal feed. Generally, high-temperature extrusion is used for the manufacture of ready-to-eat snacks, while cold extrusion is used for the manufacture of pasta and related products intended for later cooking and consumption.
Why is extruder used?
Extruders are used to produce long continuous products such as tubing, tire treads, and wire coverings. They are also used to produce various profiles that can later be cut to length. Multiroll calenders are used to make wide sheeting.
What are the advantages of extrusion?
Advantages of extrusion
- Low cost per part.
- Flexibility of operation.
- In hot extrusion, post execution alterations are easy because product is still in heated condition.
- Continuous operation.
- High production volumes.
- Many types of raw materials can be used.
- Good mixing (Compounding)
- Surface finish obtained is good.
