Why should cable aluminum foil was used in cable packaging?

Characteristics and performance of cable aluminum foil

Cable aluminum foil is a composite product of aluminum foil, which has high corrosion resistance, sealing and shielding properties, and is the most ideal cable protective layer.

Cable aluminum foil

Usually, special plastic film is past on the surface of 0.15-0.20 mm thick aluminum foil. The thickness of the film is about 0.058 mm. The method is divided into drying and wetting. For drying, a high temperature of 200 ° C is used. Wetting is to use a layer of glue to tightly bond the two together. Finally, use professional equipment to tears the film from the aluminum foil to determine the adhesion strength, which is called the peel strength. The strength should not be less than 6.13n / cm, and the heat seal strength should not be less than 17.5n / cm.

The surface of the aluminum foil is the most important factor affecting the peel strength, and the oil spot is the most common quality problem of the surface of the aluminum foil. The main reason are the mixing of engine oil and rolling oil. In addition, the angle of the exit of the rolling mill is incorrect, and the wind pressure is too small to blow off the oil on the aluminum foil. After corrosion, the peel strength of aluminum foil will be greatly reduced.

Cable aluminum foil

Wetted by rain during transportation is a common cause of corrosion. When the aluminum foil is transported for a long distance at night under high temperature, one side of the aluminum coil is rapidly cool and the other side is at high temperature. The mist in the cool position condenses on the aluminum foil and penetrates into the aluminum foil. After the aluminum foil is transported to the customer’s warehouse, the high temperature side is heated to the low temperature side, resulting in corrosion of the aluminum coil. The aluminum industry has solved the surface quality problem of aluminum foil through a unique method, and cable aluminum foil is sold all over the world.

Cable aluminum foil

The commonly used alloys of cable aluminum foil are 1145, 1100 and 8011, the commonly used thickness is 0.10 mm, 0.15 mm and 0.2 mm, the commonly used width is 400 mm and 600 mm, and the length is different. The cable aluminum foil produced in the aluminum industry not only has a variety of options in terms of length, width and thickness in the alloy state, but also is light in weight and has a good protective barrier function.

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