Vacuum, a term translated from the Latin vacuo, means nothingness. In fact, vacuum should be understood as the space where gases are thinner. In the designated space, below an atmospheric pressure of the gas state collectively referred to as a vacuum. The degree of thinness of the gas in the vacuum state is called the degree of vacuum (degree of vacuum), usually expressed in terms of pressure. Therefore, vacuum packaging is not actually a complete vacuum, vacuum packaging technology is used to pack the food container vacuum degree is usually in 600-1333 Pa. Therefore, the vacuum packaging is also known as decompression packaging or exhaust packaging.
1, excluding some of the air in the packaging container (oxygen), can effectively prevent food spoilage.
2, the use of barrier (airtight) excellent packaging materials and strict sealing technology and requirements, can effectively prevent the exchange of packaging content material, can avoid food weight loss, loss of flavor, but also to prevent secondary pollution.
3, vacuum packaging containers have been excluded from the internal gas, accelerated heat conduction, which can improve the efficiency of heat sterilization, but also to avoid heating sterilization, due to the expansion of the gas and make the packaging container rupture.
The main role of vacuum packaging is to remove oxygen, in order to help prevent food spoilage, the principle is relatively simple, because the food mold deterioration caused mainly by microbial activities, and most of the microorganisms (such as molds and yeasts) survival is the need for oxygen, and the vacuum packaging is to use this principle, the bag and the food cells within the oxygen pumped off, so that microorganisms lose the survival of the environment. Experiments have proved that: when the oxygen concentration in the bag ≤ 1%, the growth and reproduction of microorganisms sharply reduced, the oxygen concentration of ≤ 0.5%, most of the microorganisms will be inhibited and stop reproducing.
1、 Feeding and discharging mode: forward and right out type
2. The compression vacuum packing machine adopts the fixed instantaneous heating method of hot box, which saves energy.
3、 Special electric heating arrangement, even heat distribution.
4、 The machine body is compact and occupies small area.
5、 Suitable for small batch production and medium volume production. It can be used with assembly line operation to improve the efficiency of vacuum packaging machine.
6, the use of Taiwan, Japan, South Korea original imported spare parts, stable and reliable performance.
Vacuum packaging machine is a plastic or plastic aluminum foil film as packaging material, liquid, solid, powdery paste food, grain, fruit, pickles, dried fruit, chemicals, herbs, electronic components, precision instruments, rare metals, etc. Vacuum-packed items can be prevented from oxidation, mildew, moth, rot, moisture, to prolong the preservation of quality and freshness period. Especially suitable for tea, food, medicine, stores, research institutions and other industries, with beautiful appearance, compact structure, high efficiency, easy to operate and other advantages.
YD1016-1018 Fully Automatic Rotary Vacuum Sealing Machine with Circular Cup Filler
In summary, vacuum packaging, starting from the concept definition, effectively guarantees the quality of food and other items and prolongs their shelf life with its unique characteristics and principles. Vacuum packaging machines, with advanced technology and stable performance, adapt to a variety of production needs and are widely used in many industries. They not only achieve efficient vacuum packaging of items in different forms, but also help companies improve production efficiency and product quality through their own advantages, playing an indispensable and important role in the field of modern packaging.
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