Self‑Adhesive One Way Coffee Degassing Valve, Plastic Air Vent Valve For Roasted Coffee Bean Packaging Bags
Product Selling Points
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Self‑adhesive design, no heat sealing required, convenient for manual or machine sticking onto coffee pouches
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One‑way ventilation function: discharge carbon dioxide produced by roasted coffee, block external oxygen and moisture
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Roll‑pack format for high‑efficiency continuous operation, suitable for mass coffee bag production
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Food‑grade plastic material, safe for food contact, stable performance for long‑term coffee storage
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Custom size & roll specs available; we supply matching paper cans, lids and full packaging accessories
Detailed Description
Material
Made of food‑contact safe plastic material. Equipped with self‑adhesive backing. Supplied in continuous roll for industrial use.
Technology
Precision moulding for one‑way vent structure. Pressure‑sensitive self‑adhesive layer, no hot sealing needed. Roll‑to‑roll slitting for consistent single‑unit valves.
Product Selling Points
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Self‑adhesive backing, skip heat‑sealing process, apply manually or by machine onto coffee bags
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One‑way degassing: lets CO₂ escape from fresh roasted coffee, prevents oxygen, moisture and air from entering the pouch
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Continuous roll‑pack arrangement, easy feeding for automatic packaging lines, high working efficiency
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Food‑grade plastic, stable vent performance, help retain coffee aroma and extend shelf life
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Support custom dimensions and roll‑length; we also provide paper cans, metal lids, plastic caps and other packaging‑related parts
Custom Services
‑ Custom single‑valve dimension
‑ Custom roll length / quantity per roll
‑ Support OEM order for coffee packaging auxiliary accessories
‑ Matching packaging solution: paper cans, lids, sealing machines are available
Application Scenarios
Mainly used for roasted coffee bean bags, ground coffee pouches. Widely applied in coffee roaster factories, coffee packaging enterprises, food packaging industry.
FAQS
Q1: Is this valve self‑adhesive, do I need heat sealing? A: It is self‑adhesive type. Heat sealing is not required for installation.
Q2: What is the core function of coffee degassing valve? A: It releases CO₂ generated by roasted coffee, while preventing outside air and moisture going inside the bag.
Q3: Can we customize valve size and roll specifications? A: Custom size and roll‑pack specs are acceptable.
Q4: Is the material food‑safe for coffee packaging? A: Made from food‑grade plastic, suitable for food contact coffee packaging.
Q5: Do you supply other coffee packaging accessories? A: Yes, we supply paper cans, metal lids, plastic caps and sealing machines for coffee packaging.


