What is the application analysis of China plastic blow molding machine in food plastics?

A plastic automatic extrusion blow molding machine is a packaging technique in which an article is placed in an airtight container and a vacuum is applied before the container is sealed, so that there is substantially no air in the sealed container. China Plastic Extrusion Blow Molding machine technology originated in the 1940s. In 1950, polyester and polyethylene plastic films were successfully used in plastic blow molding machines. Since then, plastic blow molding machines have been rapidly developed. Chinese plastic extrusion blow moulding machine technology was developed in the early 1980s, and vacuum inflating. Packaging technology began to be used in small quantities in the early 1990s. With the promotion of small packaging and the development of supermarkets, its scope of application is more and more extensive, and some will gradually replace hard packaging, and the prospects are very promising. Vacuum, the term is translated from the Latin vacuo, its meaning is nothing. In fact, vacuum should be understood as a space where gas is thin. In a given space, the state of the gas below one atmospheric pressure is collectively referred to as vacuum. The degree of gas thinness in a vacuum state is called a degree of vacuum, and is usually expressed by a pressure value. Therefore, the plastic extrusion blow moulding machine is not actually completely vacuum, and the vacuum in the food container packaged by the plastic bottle blowing machine technology is usually 600-1333pa. Therefore, the plastic blow molding machine is also referred to as a vacuum packaging or an exhaust packaging.