Vacuum packaging is a crucial aspect of modern packaging technology, particularly suited for the long-term storage and transportation of granular materials. By extracting air from the packaging bag, it creates a low-oxygen environment, effectively delaying material oxidation, preventing moisture and mold, and avoiding the loss of aroma or the intrusion of external odors
In the field of granular materials, vacuum packaging is widely used in the food industry (e.g., coffee beans, nuts, grains), pharmaceutical raw materials, chemical products, and electronic components. Its core advantage lies in significantly extending the product's shelf life, maintaining its original flavor and quality, while reducing the use of preservatives, better meeting health and safety requirements.
To achieve optimal vacuum effect, packaging materials must possess high barrier properties; common options include composite films like PET/PE and NY/PE, which offer excellent mechanical strength and sealing performance. In terms of equipment, commonly used models include single-chamber, double-chamber vacuum machines, and continuous automatic packaging machines, allowing users to choose the type that suits their production capacity needs.
It is worth noting that while vacuum packaging is highly effective, attention must be paid to packaging integrity to avoid air leakage. For some fragile granules, the suction intensity needs adjustment to prevent damage. Additionally, storage in a dark, low-temperature, and low-humidity environment is recommended to further enhance preservation effect.
In summary, vacuum packaging, with its efficient protective characteristics, has become one of the preferred methods for packaging granular materials, balancing practicality and economy while providing a reliable solution for various industries.