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Analysis of anti-corrosion measures for 8011 aluminum foil

Date: 2019-07-29 11:31

8011 aluminum foil common corrosion type:

The common corrosion of 8011 aluminum foil in life mainly includes: 1. Pitting corrosion: Pitting corrosion, also known as pore corrosion, is a needle-like, point-like, or porous shape on a metal.One is a localized corrosion pattern. Pitting corrosion is a unique form of anodic reaction and is an autocatalytic process caused by corrosion processes in pitting holes.The conditions are both positive and sufficient to maintain the continuation of corrosion. 2. Uniform corrosion: aluminum in a solution of phosphoric acid and sodium hydroxide, the oxide film on it will dissolve, occurs uniform corrosion, the dissolution rate is also uniform. The temperature of the solution increases, the concentration of the solute increases, and the corrosion of aluminum is promoted. In addition to this, it also includes crevice corrosion.Force corrosion cracking (SCC), corrosion caused by placing different metals together.
 
8011 aluminum foil

Anti-corrosion measures for 8011 aluminum foil:

The main anti-corrosion measures for 8011 aluminum foil are: 1. Assembly and connection measures. With steel bolted assembly, the two metals must be separated, that is, with rubber gaskets.Between the two, or separate the contact surfaces with paint! Use galvanized cadmium-plated steel fasteners to join the aluminum structure assembly, due to the passive state of the stainless steel & aluminum alloy partsCommonly used stainless steel bolts to assemble! 2, anti-corrosion measures during storage Semi-finished aluminum storage will rust under various outdoor weather conditions, which is due to temperature changes Causing the condensation of moisture in the surrounding air causes a change in the surface of the natural oxide film! Even if it is pickled, the rust will still leave obvious traces, such as blackening.These rusts have no effect on the mechanical properties and corrosion resistance of the material, but are unacceptable from an aesthetic point of view!
 
8011 aluminum foil

Advantages of Mingtai Aluminum 8011 aluminum foil:

1. The surface is clean, the color is uniform, there is no spot, and there is no pinhole.
2, with excellent moisture resistance, shading and high barrier capacity, strong mechanical properties, high resistance to blasting, strong puncture and tear resistance.
3, non-toxic and tasteless, safe and hygienic.
4. Aluminum foil after compounding, printing and coating is widely used as packaging material.
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