Item Customized printing coffee bag aluminum foil packaging

4 common types of coffee bags in the market

1.Flexible non hermetic packaging:

This is one of the most economical packaging. They are usually used by local small baking plants because they can guarantee prompt supply. Coffee beans can be consumed in time. The coffee beans can only be stored in a short time.
2, airtight packaging:

after loading coffee, vacuum and sealed up. Because the carbon dioxide formed baked process, this kind of packing only in coffee for a period of time so that it can have after degassing packaging, so the storage interval in a few days. Coffee beans are longer than coffee powder. The cost is low because it does not need to be separated from the air during storage. The coffee should be used up within 10 weeks.
3, one-way exhaust valve packaging:

roasted coffee in a special with a one-way exhaust valve. The exhaust valve allows gas to go out, but not in. There is no need for separate storage phase, but due to the process of deflation, the fragrance will be a little loss. It avoids the formation of corruption, but can not prevent the loss of aroma.
4, pressurized packaging:

This is the most expensive way, but can save coffee for two years. In a few minutes after baking, coffee can be vacuum packaging. After adding some inert gas, keep the pressure in the package. The coffee beans are stored under pressure, so that the aroma is present on the fat, thereby improving the flavor of the beverage.