Valve bags with inner valve refer to a type of packaging that has a valve on the inner side of the bag.
Ventilated Bags with Inner Valve: Advantages
Ventilated bags with an inner valve represent a unique type of packaging that incorporates a valve on the bag's inner side. These bags find wide applications across various industries due to their numerous advantages. In this article, we will delve into why and how they are used.
Application of Ventilated Bags with Inner Valve: Ventilated bags with an inner valve are typically used for packaging products that release gases after being packaged. This is particularly vital for items like whole-bean coffee, tea leaves, seeds, and other perishable goods. When these products are packed into standard bags without valves, the gases they emit can lead to bursting bags or a loss of product freshness.
The internal valve on these bags facilitates controlled gas release from the packaged product. This process helps maintain product freshness, extend its shelf life, and prevent any damage caused by gas accumulation. These qualities make these bags ideal for products where freshness and quality are paramount.
Advantages of Ventilated Bags with Inner Valve:
Preservation of Freshness: Ventilated bags allow products to "breathe," meaning gases are released without allowing air to re-enter the bag. This is crucial for preserving product freshness and flavor.
Extended Shelf Life: Due to controlled gas release, products stored in ventilated bags often have a longer shelf life compared to those in standard bags.
Packaging Convenience: Valves eliminate the need for additional sealing methods, such as heat sealing or tying, streamlining and expediting the packaging process.
Diversity of Materials and Designs: Ventilated bags with inner valves come in various sizes, materials, and designs to cater to different products and customer preferences. They are often crafted from high-quality materials like polypropylene or kraft paper, offering excellent barrier properties and durability.
Examples of Ventilated Bag Usage:
These bags are frequently observed in the food industry for packaging products such as:
Coffee: Whole-bean coffee is often packaged in ventilated bags to preserve its freshness and aroma.
Tea: Tea leaves also release gases and benefit from bags with valves to maintain freshness.
Seeds: Various seeds, like sunflower or pumpkin seeds, can be packed in these bags to extend their shelf life.
Other Products: Beyond food, ventilated bags are employed for packaging other items, including chemicals, powders, and more.
Dimensions of Ventilated Bags with Inner Valve:
Ventilated bags come in various sizes, shapes, and capacities to accommodate diverse needs. From smaller household bags to larger industrial bags, you can find the right size for your products.
In conclusion, ventilated bags with inner valves offer an efficient solution for packaging products that release gases. They uphold freshness, prolong shelf life, and simplify the packaging process. Regardless of the type of product you are packaging, consider the use of these bags to ensure product quality and longevity.
Dimensions of valve bags with inner valve
a — bag width (overall),
b — bag length (overall),
c — bottom width,
d — film thickness,
e — valve length,
f — height of the bag filled with the product.
g — valve width,
h — width of the strength overlay on the bottom,
i — length of strength overlay on the bottom.
z — overlap.
