Analysis of the characteristics and advantages and disadvantages of different production processes for vacuum packaging bags

There are various production processes for vacuum packaging bags, among which the common ones are heat sealing, cold sealing, and unsealing. Different production processes have their advantages and disadvantages. Below, the technical personnel of Jinde Packaging will give a brief introduction based on the advantages and disadvantages of different production processes:
1. Heat sealing process:
Advantages:
The heat sealing process is commonly used for the production of larger vacuum packaging bags, which can adapt to the needs of bags of various sizes and shapes.
The heating temperature of the heat sealing process is high, the seal is firm, and it can effectively maintain the vacuum environment inside the packaging bag, extending the shelf life of food.
Packaging bags made with heat sealing technology usually have good waterproof performance and durability.
inferiority:
The heat sealing process requires equipment and skilled operation skills, and the cost is relatively high.
During the heat sealing process, the sealing area of the bag may be affected by high temperatures, which may cause damage to certain heat sensitive food materials.
2. Cold sealing process:
Advantages:
The cold sealing process is suitable for the production of thinner vacuum packaging bags and is suitable for the packaging needs of lightweight products.
Cold sealing technology is commonly used in small food packaging to preserve the natural aroma and taste of the food.
The sealing temperature of the cold sealing process is relatively low, which can prevent food from being damaged by excessive temperature.
inferiority:
The sealing performance of packaging bags made by cold sealing technology is relatively poor, the vacuum environment may not be stable enough, and the shelf life of food may be shorter.
The packaging bags made by cold sealing technology usually do not have good waterproof performance and have limited applicability.
3. Unsealing process:
Advantages:
The unsealed process uses special materials and structures to achieve sealing effects by folding or compressing the bag, without the need for sealing operations.
The packaging bags made with unsealed technology can be reused, reducing waste and environmental pollution.
inferiority:
The unsealed packaging bag is generally suitable for products with small capacity and complex structure, and is not suitable for large-scale production.
The sealing of packaging bags without sealing process is generally not as firm as that of heat sealing or cold sealing process, which may affect the stability of vacuum environment.
In summary, the production process for vacuum packaging bags should be comprehensively considered based on actual needs and product characteristics. The heat sealing process is suitable for large packaging bags and products with high requirements for maintaining a vacuum environment; Cold sealing technology is suitable for small packaging and products that pursue food taste; The unsealed process is suitable for small capacity, reusable packaging bags.
Jinde Packaging is a large-scale manufacturer of vacuum packaging bags in the industry, with standardized and streamlined operations, sophisticated equipment, high yield, and favorable prices. It adopts an e-commerce model for direct supply from factories, saving profits and price increases, and directly benefiting consumers. And provide value-added services for cooperative enterprises such as template free sampling, reducing unnecessary losses caused by unsatisfactory results after mass production. Hotline: 15902743510