One-Way Degassing Valve, How To Choose And Identify ?
If you are a sourcer of coffee bags, maybe you were noticed by your QC at one time that the bags can not be vacuumed. When you discuss with your packing pouch vendor, they can not reply with a reasonable answer because the valves was purchased from another supplier. Most of the coffee bag manufacturers can not produce the valves by themselves, because the coffee bag and degassing valve are totally in the two different fields. What Is One-Way Degassing Valve ? One-way degassing valves are designed to allow pressure to be released from air-tight packing-pouch meanwhile preventing air from getting back into the packing-pouch. Air, especially the Oxygen(O2) portion of air , can have negative effects on the package contents and its freshness. And, this one-way degassing valve can prevent the break up caused by inside air during the shipping or storing. Furthermore, Air leak may happen due to the quality problem during the valve working ( either can release the gas ge