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Wholesale aluminum foil packaging

Short Description:

Coffee aluminum paper packaging bags require strict storage conditions. Generally, non-transparent plastic composite materials are used to prevent oxidation. Using the sealing performance of pure aluminum, the original coffee flavor can be well protected, without losing the aroma, being less susceptible to moisture and avoiding light. Aluminum foil material is colorless, odorless and non-toxic, and can come into direct contact with food. Therefore, when used for coffee packaging, it also includes cost considerations.

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Vacuum packaging: The roasted coffee beans need to be left for a period of time before packaging to prevent carbon dioxide damage to the packaging. This type of packaging can generally be stored for about 10 weeks.
One-way valve packaging: Adding a one-way valve to the packaging bag allows the removal of carbon dioxide but blocks the entry of external gases, ensuring that coffee beans do not rust but cannot prevent the loss of aroma. This type of packaging can be stored for up to 6 months. Some coffees are also packaged with exhaust holes, meaning that only exhaust holes are drilled into the packaging bag without installing a one-way valve. Once the carbon dioxide produced by the coffee beans is emptied, the outside air will enter the bag, causing oxidation, thus greatly reducing its storage time.
Pressure packaging: After roasting, coffee beans are quickly vacuum packaged and then filled with inert gas for sealing. This type of packaging ensures that the coffee beans are not oxidized while ensuring that the aroma is not lost, and has sufficient strength to ensure that the packaging is not damaged by air pressure. It can be stored for up to two years.