De-gassing valve pouch solutions offered by us come with de-gassing valve in pouch. These precision designed packaging options allow high taste retention in the processed products through maintaining the original and packed aroma & freshness of products.
Further, these pouches are designed to provide air tight seals as well as superior packaging barrier for low oxygen transmission rates (otr) and low water vapor transmission rates for avoiding moisture contamination ( mvtr / wvtr). Being of high performance pouch types, these are made using solvent free laminates, use of food grade inks and superior end construction standards, making them also suitable for high speed packing lines.
This kind of bag is widely used in coffee industry.
What is the button on coffee bags for?
When the coffee is ground, carbon dioxide is released expeditiously. If you simply place fresh roasted coffee in a completely sealed bag, the bag will expand and in most cases rupture. The other option is to let the coffee rest outside of a container. However, oxygen is the enemy of fresh roasted coffee.
Flexible packaging is a construction of several piles, each layer serves a vital purpose.