lidding foil

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Product Description:

Application: Lid of yogurt package, dairy package

Alloy: 8006/8011/8079

Temper:O

Thickness& Tolerance: 0.03mm-0.05mm(±5%)

Width& Tolerance: 200mm-1650mm(±1mm)

Mechanical Properties: Tensile Strength (U.T.S)≥50Mpa, Elongation≥1%

Standard: GB/T3198 /ASTM-B209/EN546

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Q:What is the difference between the tin foil and aluminum foil?
Now that most of the aluminum foil is manufactured using vacuum coating technology, the cost is relatively low, relatively stable chemical properties, most of them are manufactured using aluminum foil rolling mechanical method, the higher the price, far less extensive use of aluminum foil.
Q:Is aluminum foil a kind of alloy or something else?
Aluminum foil is coiled material less than 0.2mm in thickness which is made from aluminum or aluminum alloy after calendering. Aluminum alloy is made by adding metal or non-metallic materials to pure aluminum to improve metal strength.
Q:Is aluminium foil insulative?
NO.
Q:Is heated aluminum foil gasket toxic?
Aluminum foil is a kind of thermoprinting material made by calendaring aluminum into sheet. Since its thermoprinting effect is similar to that of silver foil, it is also called fake silver foil. As aluminum is soft and ductile with silvery luster, aluminum foil sheet can be made by mounting calendered aluminum sheet on the offset paper with sodium silicate, which can be used to print. But the color of aluminum foil will gradually become dark as it is easy to be oxidized and it fade due to friction and touching, so it is not applicable to the thermoprint of book covers for permanent preservation.
Q:How to remove the oxide layer in the aluminum foil with a chemical process?
Generally, we adopt the method of alkali corrosion to remove the oxide layer on the surface of the aluminum foil.The purpose of alkali corrosion is removing the oxide layer on the surface of the aluminum foil. (Note: Technological process of the method is as follows: under normal temperature, 20% nitric acid; the process parameters is about 0.5 minutes. Pre-degrease--degrease--rinsing--rinsing--alkali corrosion--rinsing--rinsing--bright dipping--rinsing--rinsing--pure rinsing. The purpose of bright dipping is to remove surface residual black ash after alkali corrosion.Temperature:50-60 degrees; time:0.5-1 minutes.The purpose of degreasing is to remove grease on the surface of the aluminum foil.The process parameters is 0.5-1 minutes. You can use acid to wash it.
Q:What kind of material does aluminum foil paper belong to?
Aluminum foil paper belongs to metal mixed material like alumina, which is a raw and auxiliary material for industry manufacture and mainly used for preventing package, articles for daily use and building.
Q:How to prevent foil wrinkling?
Wrinkle: aluminum foil surface can not be flattened vertical or horizontal creases become wrinkled. Since the flatness of serious adverse in aluminum foil or expanded winding forming wrinkles, by its very nature is not enough to make me surface tension leveled. For tension means 20MPa, the surface of the plate-shaped box no larger than 301, when more than 301, the inevitable wrinkling.
Q:What are the advantages of aluminum foil boxes?
Aluminum foil, with outstanding barrier properties, under the premise of a sufficient thickness of aluminum foil, substantially completely gas and moisture barrier, thus, in plastic flexible packaging materials, aluminum foil is commonly used as barrier material and a lightweight aluminum, and sealed package Overturn good range of benefits. Mainly health, beauty, but also holding on to some extent.
Q:Why continuous annealing aluminum foil production process?
Metal has a "hardening" of the problem. Aluminum after rolling hardening will occur. In this case, the hardness becomes higher ductility deteriorates, re-annealed to a soft state in order to further rolling.
Q:What is air conditioning aluminum foil?
Furthermore, in order to improve the life of air conditioning, reducing power consumption and improving the quality and increasing the ventilation cooling effect, and have developed a coating heat exchange fins having various functions, typically a corrosion resistant heat transfer sheet, surface hydrophilic properties change heat sink surface hydrophobicity heat exchanger plate and sheet, and mildew self-lubricating heat sinks.

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