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- How do one way exhaust valves protect products in packaging?
posted on May 30th, 2025
when the gas in the bag reaches the opening pressure of the exhaust valve, the excess gas in the bag can be automatically discharged, and the outside air is blocked from entering the bag to prevent the inner packaging from being oxidized and contaminated.
- How does the one-way air valve of coffee bag work?
posted on May 23th, 2025
When storing, the one-way exhaust valve is the core design to maintain freshness and master the "freshness secret" of coffee beans.
1. Exhaust function: exhaust carbon dioxide to prevent oxidation.
2. Isolate air: one-way seal to block oxygen
