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Question:

No aluminum foil and aluminum foil backing backing

Without the backing of aluminum foil and aluminum foil backing is what is the difference between what is their characteristics?

Answer:

A backing: in ordinary aluminum foil back up a layer of membrane material, such as paper. In order to increase the intensity, reduce the leakage of aluminum foil surface caused by tiny holes. The most common is the layer inside the cigarette case. Good sealing performance, especially for odor sealing.
My factory main operation is aluminum foil roughing mill in 20 years ago, a machine about one million, more than 170 kW, zhenshuang!!!
No backing: is the ordinary aluminum foil, a tin foil, such as high-grade aluminum bottle mouth. The surface has very tiny holes, easy to leak smell, but can be arbitrary shape covered in the surface of the object, very soft.

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