The secondary extrusion technology is a common food production process, which is mainly used in the production of various puffed foods, such as edible puffed potato chips, Prawn cracker chips, squid rolls, puffed pea crisp, etc. The principle is to destroy starch particles under high temperature and pressure, allowing food to expand rapidly. Below is a brief introduction to the specific process flow of secondary extrusion and expansion.

the puffing machine is a necessary equipment for puffing processing in the food industry.