One Way Degassing Valve Sticker | Self-Adhesive CO2 Release Valve for Coffee Packaging

PREVENT BAG EXPANSION

after roasting, coffee releases carbon dioxide gas at rates of up to 1000cc per pound for a period of days to weeks

SMELL FRAGRANCE

Over 800 aroma components are responsible for a distinctive

coffee quality

RESISTANCE TO BURSTING

the valves allow the roasting gasses to escape and avoid bursting of the bag without valves

PREVENT FRESHNESS

Freshly roasted coffee is very sensitive to oxygen. Without product protection it would only conserve its flavor for 4 to 6 weeks

PREVENT OXIDATION

keep oxygen and moisture out of the bag and prevent oxidation of coffee beans

IMPORTED MATERIALS

using PE raw materials from the united states, it is environmental protection and pollution-free