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How to distinguish aluminum-plated bag and pure aluminum bags?

times   2018-09-14

Aluminum foil bags are divided into pure aluminum bags and aluminum-plated bags, then in daily life how to distinguish between aluminum-plated bags and pure aluminum bags, summed up a few points:


First, from the material point of view, pure aluminum bag is pure aluminum, high purity, is a soft material; aluminum-plated bag mixed with composite materials, is a brittle material.


Two, from the cost point of view, the price of pure aluminum bags is higher than that of aluminized bags.


Third, from the performance point of view, pure aluminum bag moisture-proof, cooling effect is better than aluminum-plated bag, pure aluminum bag completely avoid light, aluminum-plated bag is shading effect.


Fourth. In terms of use, pure aluminum bags are more suitable for vacuum, such as cooked food, meat and other products, while aluminum-plated bags are suitable for tea, powder, electronic parts and so on.


Fifth, facing the light or sunlight in the bag, the light can be seen through the bag is aluminum foil, the invisible is pure aluminum foil.