The following are several common types of coffee packaging bags and their characteristics:

Flexible non-airtight packaging: This type of packaging is usually used by small local roasters because they can ensure rapid supply and is suitable for short-term storage of coffee beans.

Airtight packaging: After the coffee is packed, it is vacuumed and sealed. It is suitable for long-term storage, but it takes some time for the coffee to degas.

One-way exhaust valve packaging: This type of packaging allows gas to be discharged but not allowed to enter. It does not require a separate storage stage, but the aroma will be lost to a certain extent.

Pressure packaging: The most expensive way, through vacuum packaging and adding inert gas, it can preserve coffee for two years and maintain its aroma.

In addition, there are some specific packaging types and their characteristics:

Three-side sealed bags: Suitable for tea bags, candies, etc., high temperature sterilization resistance, good barrier properties.

‌Four-side sealed bags‌: Suitable for leisure dried fruits, tea, etc., oil-proof and waterproof, clean and hygienic‌.

‌Eight-side sealed bags‌: Suitable for coffee, tea, nuts, etc., with strong three-dimensional sense and multiple display surfaces‌.

‌Stand-up bags‌: Including aluminum foil stand-up bags, yin-yang stand-up bags, transparent stand-up bags, etc., suitable for different types of products‌.

‌Zipper bags‌: Suitable for clothing, office supplies, food packaging, fragrance preservation, moisture-proof, and good display effect‌.

‌Middle-sealed accordion bags‌: Suitable for food packaging, such as coffee, nuts, grains, etc., with good barrier properties‌.

‌Penguin bags‌ (stand-up spout bags, four-side sealed spout bags): Suitable for liquid food packaging and daily chemical packaging, with good moisture resistance, moisture resistance, and pollution resistance‌.

These Packaging Bags for Coffee not only protect the freshness and quality of coffee, but also provide convenient storage and transportation through different designs and materials.

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