4 Side Vacuum Seal Storage Bag
Effectively blocks air, moisture, and light to protect the contents inside. Different plastic materials can be selected based on specific packaging needs, such as polyethylene (PE), polypropylene (PP), or polyester (PET), each offering unique advantages in terms of strength, flexibility, and barrier performance.
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Product Introduction
Product introduction
Four-side vacuum sealed storage bag is a highly sealed storage bag made by four-side heat sealing technology. The storage bag uses a vacuum device to extract the air in the bag to form a vacuum state, thereby compressing the volume and improving storage efficiency.
Product features
High Sealing Performance
The four-side vacuum sealed storage bag has four sealed edges, and the sealed edge area is about 33% larger than that of the three-side sealed bag. It is less likely to leak or open, and can maintain a vacuum state for more than 1 month, while ordinary three-side sealed bags usually leak and swell within one or two weeks.
Anti-puncture
The four-side vacuum sealed storage bag is made of PA (nylon) and PE composite film. The puncture strength of the nylon composite film can reach more than 45N, which is 3 times that of ordinary PE film. Therefore, this bag is not easy to be punctured even if it is repeatedly bent, stacked or in contact with sharp objects.
Oxygen Isolation
The four-side vacuum sealed storage bag uses PA+PE composite material. Among them, the oxygen permeability of PA material is more than 25 times lower than that of ordinary PE material, which can greatly reduce the infiltration of oxygen into the storage bag and prevent the items in the bag from oxidation and deterioration.
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