Why Use a Degassing Valve?

Have you ever noticed the rigid circular button-like object at the center of certain pouches and flexible bags? It’s called a one-way degassing valve, often used on fermented food and coffee packaging. Typically made out of high-density polyethylene (HDPE), the degassing valve’s purpose is to periodically allow gas to exit out from the inside of the package when the Read more about Why Use a Degassing Valve?[…]