Basic functions of the coffee one way valve
The unique design of the coffee one way valve ensures the safety and quality of coffee beans after roasting. Since coffee beans produce a large amount of carbon dioxide during the roasting process, the volume of these gases far exceeds the coffee beans themselves. If they are not discharged in time, they may cause the packaging bag to rupture. The existence of the coffee one way valve just solves this problem. It allows the gas to be discharged in one direction, but can effectively prevent the entry of external light and oxygen.
In this way, not only the packaging bag can be preserved intact, but the original flavor and quality of the coffee are also perfectly preserved.
