Application Analysis of Blow Molding Machine in Food Plastics

Application Analysis of Blow Molding Machines in Food Plastics Plastic bottle blowing machines are a kind of packaging technology in which the articles are placed in an airtight container and vacuumed before the container is sealed, so that there is substantially no air in the sealed container. Plastic bottle blowing machine technology originated in the 1940s. In 1950, polyester and polyethylene plastic films were successfully used in plastic bottle blowing machines. Since then, plastic bottle blowing machines have been rapidly developed. China's plastic bottle blowing 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. Fully automatic blow molding machine 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 bottle blowing machine is not actually completely vacuum, and the vacuum in the food container packaged by the plastic bottle blowing machine technology is usually 600-1333 Pa. Therefore, the plastic bottle blowing machine is also called a vacuum packaging or exhaust packaging. Welcome to the company **http://
The characteristics of the plastic bottle blowing machine are as follows: 1. Excluding some air (oxygen) in the packaging container, it can effectively prevent food from spoiling. 2, the use of barrier properties (air tightness) excellent packaging materials and strict sealing technology and requirements, can effectively prevent the exchange of packaging content substances, can avoid food weight loss, loss of taste, but also prevent secondary pollution. 3. The gas inside the plastic bottle blowing machine container has been eliminated, which accelerates the heat conduction, which can improve the heat sterilization efficiency and avoid the rupture of the packaging container due to the expansion of the gas during the heat sterilization.
In the food industry, the application of plastic bottle blowing machines is very common, all kinds of cooked products such as chicken legs, ham, sausages, etc.; pickled products such as various pickles and soy products, preserved fruits, etc. Use a plastic bottle blowing machine. The plastic fresh-keeping period of the plastic bottle blowing machine greatly extends the shelf life of the food.

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