Thickness standards and application scope of vacuum packaging bags

The thickness standard of vacuum packaging bags is usually determined by the materials used and the contents of the packaging. Generally speaking, the thickness of vacuum packaging bags can range from 50 to 150 microns, but it is worth noting that vacuum packaging bags made of different materials may have different thickness requirements. For example, vacuum packaging bags made of polyethylene (PE) material are usually thinner, while polyester (PET) or aluminum foil packaging bags may require thicker thickness to provide good protection.
Vacuum packaging bags of different thicknesses are suitable for different application scenarios and requirements. Here are some common thicknesses of vacuum packaging bags and their application ranges:
1. 50-70 microns: This thinner vacuum packaging bag is suitable for packaging lightweight items such as candy, cookies, potato chips, etc. They provide basic protection and can achieve the effect of enclosing items to prevent the entry of oxygen and moisture.
2. 70-90 microns: This is a common thickness for vacuum packaging bags, suitable for general preservation, storage, and transportation of most foods. This includes meat, fish, dairy products, vegetables and fruits, etc. This thickness of packaging bag can provide better protection and freshness preservation effect.
3. 90-120 microns: This slightly thicker vacuum packaging bag is suitable for foods that require good protection, such as frozen foods, nuts, dried fruits, seafood, etc. They have good wear resistance and rust resistance, and can resist temperature changes and friction between objects relatively well.
4. 120-150 microns: This is a relatively thick vacuum packaging bag, suitable for some products with special requirements, such as fragile items, chemicals, medical supplies, etc. This thickness provides good protection, able to resist severe impacts and block the spread of odors.
It is worth mentioning that these thicknesses are only a general reference range. The specific choice of thickness for vacuum packaging bags should be determined based on factors such as the characteristics of the packaged items, shelf life requirements, and environmental conditions.
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