It looks, works and feels just like conventional coffee valves. In combination with compostible laminate materials, Wojin launches the fully biodegradable coffee degassing valve that provides optimized protection of coffee bean against aroma loss. They are broadly compliant with international standards for environmentally friendly packaging materials.
Material | PE |
Size | Diameter20 mm±0.1,Hight 6mm±0.3 |
Weight | 0.95g ± 0.03 |
Color | White |
Sealing temperature | 163℃ - 168℃ |
Open pressure | 5-8 mbar |
close pressure | ≤2 mbar |
MOQ | 10000 pcs |
Package | 10000pcs/ctn |
MEAS | 45*29.5*24 cm |
Weight | 0.95g |
Delivery | 3~5 days |
Coffee Valves Applications | Flexible packaging which requires aroma protection for roasted coffee. | |||
Pet food packaging - Expels air out of pet food packaging. | ||||
Fast food and take away packaging. | ||||
Storage Conditions | Normal temperature | |||
The product should be stored in its original packaging out of direct sunlight. Excessive handling should be avoided | ||||
Working Conditions | Type of connection: hot pressing | |||
Pressure environment: normal pressures | ||||
Working temperature: normal temperature | ||||
Drive mode: manual |
1. Qualified by the professional inspection agency to ensure quality and safety.
2. This series of products adopt bio-compostable degradable materials to meet the needs of modern environmental protection, which makes it 100% compostable and a natural alternative to conventional plastic.
1.What is a coffee one-way valve?
A coffee one-way valve is a small, specialized device used in coffee packaging. It allows freshly roasted coffee beans to release carbon dioxide while preventing outside air from entering the package.
2. How does a coffee one-way valve work?
Gas Release: It allows the natural release of carbon dioxide gas produced by freshly roasted coffee beans.
Air Prevention: Prevents oxygen and moisture from entering the coffee package, which helps maintain freshness and flavor.
3. Why is a one-way valve important for coffee packaging?
Freshness: Preserves the freshness of coffee by allowing gases to escape without letting oxygen in, which can cause oxidation and degrade flavor.
Extended Shelf Life: Helps extend the shelf life of coffee beans by maintaining optimal conditions inside the package.
4.Where is the one-way valve placed on coffee packaging?
Typically, it is integrated into the coffee bag or pouch, usually near the top or side of the package.