Vacuum bags can't be made by hand, and vacuum packaging machines are often used. The vacuum packaging machine automatically seals the bag after it is drawn into a low vacuum. Since the vacuum in the bag is high, the residual air is extremely small, and the growth of microorganisms such as bacteria can be suppressed. For some soft items, the volume can be reduced by vacuum packaging. Therefore, the packaged articles can achieve the characteristics of "four defenses, two provinces, and one quality assurance": namely, moisture proof, mildew proof, anti-pollution, anti-oxidation, saving volume, saving freight, and prolonging storage period.
Vacuum packaging machine is suitable for all kinds of plastic composite film bags or aluminum foil composite film bags, such as polyester/polyethylene, nylon/polyethylene, polypropylene/polyethylene, polyester/aluminum foil/polyethylene, nylon/aluminum foil/polyethylene, etc. Composite materials, various solid, powdery, liquid, solid-liquid mixtures for various raw and cooked foods, fruits, native products, medicinal materials, chemicals, precision instruments, clothing, hardware products, electronic components, military products, etc. Vacuum packaging.
In the food industry, vacuum-packed foods are very common, such as chicken legs, ham, sausages, etc.; pickled products such as various pickles and various soy products, preserved fruit, etc. The vacuum packaging of the ground is used, and the vacuum-packed food has a long shelf life, which greatly prolongs the shelf life of the food.
