Snack vacuum cooking packaging bags are packaging bags that use vacuum packaging technology and are mainly used for the preservation and freshness of snacks. This type of packaging bag achieves a highly decompressed state by removing the air inside the packaging, thereby preventing the food from deteriorating due to oxidation and extending the shelf life of the food.

Materials and characteristics

Snack vacuum cooking packaging bags usually use the following materials:

Polyester: colorless, transparent, and glossy, often used as the outer material of cooking packaging, with excellent printing and mechanical properties.

‌Nylon‌: Suitable for greasy foods, meat products, etc., with high strength, high barrier properties, high temperature and low temperature resistance.

‌PE‌: Transparent but stiff to the touch, suitable for ordinary vacuum packaging without special requirements.

‌Aluminum foil‌: Opaque, with good barrier properties, heat sealing, and high temperature, low temperature, and oil resistance.

Application scenarios

Snack vacuum cooking packaging bags are widely used to preserve various snacks, especially for the following types of products:

‌Meat cooked food: such as ham, grilled fish, etc.

‌Concentrated juice‌ and jam: Suitable for concentrated juice and jam that are stored for a long time‌.

‌Fresh milk‌: Used for aseptic packaging of fresh milk, stored at room temperature, with a shelf life of up to 3 months‌. ‌Advanced baked goods‌, coffee, cereals, fried foods**: Suitable for high-protein, high-fat foods to prevent oxidation and deterioration and moisture absorption and deliquescence‌.

Advantages and disadvantages ‌Advantages‌:

‌Extended shelf life‌: Through deoxygenation packaging technology, prevent food from mold and deterioration, and maintain the freshness and flavor of food. ‌Moisture-proof and dust-proof‌: Prevent the influence of the external environment on food, keep food dry and clean. ‌Good preservation effect‌: Suitable for all kinds of snacks, especially foods after high-temperature cooking, which can lock in deliciousness and prevent bacteria from invading‌. ‌Disadvantages‌:

‌High cost‌: Due to the complexity of materials and processes, the cost of vacuum cooking packaging bags is relatively high. ‌Limited scope of application‌: Not all foods are suitable for vacuum packaging, especially fruits are not suitable for vacuum packaging due to respiration‌.

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