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Differences between aluminum foil bags and aluminized bags and how to distinguish them

by:Supouches Packaging     2022-07-24
There are many kinds of packaging bags, and it is easy to mistake aluminum foil bags and aluminized bags when ordering packaging bags. Specializing in the packaging of garment bags, aluminum foil bags, aluminized bags, food packaging bags, cosmetic packaging bags, hardware electronic packaging bags, let us explain how to distinguish between aluminum foil bags and aluminized bags. The aluminum foil bag is made of pure metal aluminum sheet, and the thinnest thickness can reach 0.0065mm. Although it is so thin and looks weak, but after compounding with plastic, the effect is great. After compounding with more than one layer of plastic, the barrier properties, sealing properties, fragrance retention, and shielding properties of plastics can be achieved. The aluminized bag is a high-temperature vacuum state, and the high-purity metal aluminum is evenly coated on the plastic film. Therefore, when coated on the plastic, the metal aluminum is mainly used for decoration. . ​Professional flexible packaging manufacturers have sorted out the following points to distinguish aluminum foil bags from aluminized bags: 1. Watch: Because the brightness of aluminum foil is not as bright as that of aluminum plating. Aluminized bags can illuminate people's shadows, but the appearance of aluminized matte film is very similar to that of aluminum foil. The mouth of the bag can be blocked, and the inside of the bag can be seen through strong light. The inside of the aluminum foil bag is opaque, and the one that transmits light is the aluminum-plated bag. 2. Hand feel: The hand feeling of the aluminum foil bag is thick, hard and heavy, and the hand feeling of the aluminized bag is lighter and softer than that of the aluminum foil bag. 3. Folding: The aluminum foil bag is simply folded to form a dead fold and dead print, and the aluminum-plated bag will not be folded to produce a dead fold and dead print. 4. Twisting: After the aluminum foil bag is twisted, it is not easy to coalesce and rebound, and the aluminum layer will crack. The kink will pop open soon after the aluminum-coated bag is twisted. 5. Fire: The aluminum foil is not easy to burn with the fire point, the aluminum layer will be rolled back, and the aluminum foil packaging will leave gray aluminum slag after burning. When the aluminized bag is fired, different plastic films can be incinerated, and there is no residue of aluminum slag. I believe that after carefully reading the difference between the aluminum foil bag and the aluminized bag above, you must be able to distinguish the aluminum foil bag and the aluminized bag.
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