[Overview]
Vacuum packaging machines are suitable for vacuum packaging using medium-sized vacuum-inflation packaging equipment. Vacuum packaging involves evacuating the packaging bag to a low-vacuum state and then immediately sealing it automatically. Because a high-vacuum environment is created inside the bag, very little residual air remains, effectively inhibiting the proliferation of bacteria and other microorganisms. Single-chamber vacuum packaging machines are particularly well-suited for vacuum packaging of meat products, seasonings, soybean products, pharmaceuticals, as well as various powdered, solid, and liquid foods, thereby extending product shelf life and preventing mold, spoilage, and moisture absorption.
As people’s living standards continue to improve, demand for various convenient foods has also risen sharply, further driving the rapid development of China’s food packaging industry. Vacuum packaging machines are one of the fastest-growing types of packaging machinery and boast a promising market outlook.
Application
The single-chamber vacuum packaging machine uses plastic composite films or plastic-aluminum foil composite films as packaging materials, enabling vacuum packaging of solid, liquid, powdered, and paste-like foods, fruits, pickled vegetables, candied fruits, chemical products, electronic components, precision instruments, rare metals, and more. After packaging, this process effectively prevents oxidation, mold growth, spoilage, and moisture absorption, thereby preserving product quality, extending shelf life, and ensuring that the food retains its original color, aroma, and flavor—further enhancing the storage duration of the products.
[Function]
Some of the air (oxygen) in the packaging container is removed, effectively preventing food from spoiling.
2. By using packaging materials with excellent barrier (airtight) properties and strictly adhering to sealing techniques and requirements, we can effectively prevent gas exchange between packaging materials, thereby avoiding weight loss and flavor degradation in food products while also eliminating secondary contamination.
3. The gas inside the vacuum-packaged container has been removed, which helps accelerate heat transfer, thereby improving the efficiency of thermal sterilization and simultaneously preventing the issue of gas expansion during heating and sterilization.
In the food industry, vacuum packaging is widely used for a variety of cooked food products, such as chicken legs, ham, sausages, and other similar items. Additionally, an increasing number of preserved foods—such as various pickled vegetables, soybean products, candied fruits, and other perishable items—are being packaged using vacuum technology. After vacuum packaging, the shelf life of these foods is significantly extended, greatly enhancing their marketability and longevity on store shelves.
