The vacuum nitrogen packaging machine can extract the air from the package.
After reaching a predetermined vacuum value, flush in nitrogen and other gases to prevent the product inside the bag from corrosion, moisture, mold, and oxidation.
The vacuum nitrogen filling packaging machine is suitable for all kinds of plastic composite film and aluminum foil composite film packaging.
1. Vacuum nitrogen-filled packaging appearance, beautiful and generous, can be visualized to its proper form. Vacuum packaging shape folded, not easy to see the actual condition of its packaging products, packaging grade needs to be higher.
2. In Vacuum nitrogen-filled packaging, the pressure difference between inside and outside the balance (-600 ~ -700mmHg) air will not be able to gradually penetrate through the microporous packaging bag, to prevent premature corruption of fresh products and deterioration.
3. Vacuum nitrogen-filled packaging, the most suitable for fragile, afraid of squeezing materials packaging (such as flowers, crisps, casual food, etc.), vacuum packaging can not be achieved.
4. Some water content of food or materials after vacuum packaging due to the role of the pressure difference in the bag, food or material oil, and water seepage will affect the internal quality of food or materials and surface aesthetics.
5. Vacuum nitrogen-filled packaging can prevent food souring or extrusion from extending the storage time for some fried food or fruit and vegetable crisps.