Cooperative Partner

Vacuum packaging machines are customised to meet specific needs, playing a pivotal role in preserving product freshness and shelf life across industries such as food, pharmaceuticals, and chemicals. As core equipment for extending product durability, these machines effectively inhibit microbial growth and prevent oxidative deterioration by evacuating air from packaging bags before sealing. With diversifying market demands, customised vacuum packaging machines have emerged as an industry trend, offering precisely tailored solutions based on product characteristics, packaging formats, and production scale.

The core principle involves using vacuum pumps to extract air from packaging bags, reducing oxygen concentration below 0.5% to disrupt the survival environment of aerobic microorganisms. Experimental data indicates that when oxygen concentration is ≤1%, microbial reproduction rates decrease by 90%; at concentrations ≤0.5%, most aerobic bacteria cease activity. Furthermore, vacuum packaging prevents oxidation of unsaturated fatty acids in food, reduces vitamin loss, and preserves product colour, aroma, and flavour.

Some high-end equipment also supports the injection of inert gases such as nitrogen or carbon dioxide to create a modified atmosphere preservation environment. For instance, nitrogen inhibits mould growth, while carbon dioxide slows respiration in fruits and vegetables, extending shelf life. This ‘vacuum + gas flushing’ composite approach is particularly suited for packaging crispy foods (e.g., potato crisps), easily deformed items (e.g., shredded meat), and high-value products (e.g., coffee beans).

Testing and Validation: Following sample production, functional tests (e.g., vacuum level, seal strength) and endurance tests (e.g., 72-hour continuous operation) are conducted to ensure equipment stability.

Delivery and After-Sales Support: Installation, commissioning training, and regular maintenance services are provided. For instance, a vacuum packaging machine customised for an export-oriented enterprise features a multilingual interface and remote fault diagnosis system.