Product Specification

Factory One Way Coffee Valve Release Valves For Biodegradable Gusset Bag

Main advantages:

Maintains Flavor and Aroma: By allowing carbon dioxide (CO₂) to escape while keeping oxygen out, the valve helps maintain the coffee’s freshness, flavor, and aromatic qualities for a longer time.

Reduces Oxidation: The valve minimizes exposure to oxygen, which is a major factor in the degradation of coffee. This extends the shelf life of the coffee, keeping it fresher for longer periods after packaging.

Avoids Swelling and Bursting: The valve prevents the buildup of internal pressure due to CO₂, reducing the risk of packaging swelling, deformation, or bursting. This helps in maintaining the integrity and presentation of the packaging.

Preserves Appearance: By managing gas pressure, the valve helps ensure that the coffee packaging remains intact and visually appealing throughout its shelf life.

Consistent Quality: The valve ensures that the coffee remains in optimal condition from the roaster to the consumer, enhancing the overall quality and consistency of the product.

Product Description : 

More info for kraft paper bag

Material stucture :

4 -Layers: MOPP/Kraft/AL/LLDPE,MOPP/Kraft/VMPET/LLDPE,Kraft/PET/AL/LLDPE

3 -Layers:Kraft Paper Bag-Aluminum Foil-LLDPE,Kraft Paper-VMPET-LLDPE

2-Layers :Kraft Paper-Poly,Kraft Paper-CPP,Kraft Paper/PE etc

Thickness : From 70 microns-220 microns (2.73 mil-8.58 mil)

Capacity : From 1 oz- 10 LB

Printing : 1- 9 colors according to customers' artwork, AI,PDF or EPS format electronic files

Product Detail:

The function of one way degassing valve for coffee bags,the roasted coffee beans will produce carbon dioxide gas,it's easily cause the bag bulging even bursting if packing the bags directly.Prolonged exposure to air will cause a loss of aroma,the quality of the coffee will be effected.Therefore,one way exhaust valve for the packaging of roasted coffee beans is particulary importment.

Highest degassing performance of coffee valve.

Oxygen proof one way degassing Coffee valve

Precise opening & closing pressure control

Style beauty and various.

Accurate in size and easy to apply on machine.

FQA:

1. What is the main function of the one-way coffee valve?

The main function of the one-way coffee valve is to allow the carbon dioxide and other gases produced by the coffee after roasting and packaging to be discharged, while preventing the outside air from entering to maintain the freshness and quality of the coffee.

2. How does the one-way coffee valve keep the coffee fresh?

It reduces the pressure in the package by discharging the gas generated internally, avoids the gas accumulation leading to the expansion or rupture of the package, and prevents the outside oxygen from entering the coffee causing oxidation and deterioration, thus maintaining the freshness of the coffee.

3. Does the one-way coffee valve allow outside air to enter the coffee packaging?

Under normal circumstances, the one-way coffee valve will only let the internal gas out, will not let the outside air into. However, if the valve is damaged or of poor quality, there may be external air entry.

4. What is the difference between different types of one-way coffee valves?

Different types of one-way coffee valves may differ in terms of material, structural design and exhaust efficiency. For example, some use more durable materials, and some are designed to discharge gas more efficiently and prevent air backflow.