Degassing Valves in Coffee Packaging: Do You Really Need Them for Freshness?Freshly roasted coffee is a delicate product that continues to change even after it leaves the roaster. One of the most noticeable features of modern coffee packaging is the small round valve attached to the bag, known as a Read More

Coffee is very common in life. When buying coffee, you may notice a round valve on the coffee bag and wonder what they are used for. Coffee beans keep giving out large quantities of carbon dioxide for many hours after they have been roasted. Due to this off-gassing process, coffee beans and powder Read More