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 16 years manufacturer for metal truss, mobile stage, aluminium scaffolding, barriers, etc,.

Anti-corrosion mystery - scaffolding

by:Shizhan     2020-09-28

Scaffolding is to welding of high strength aluminum alloy material, because the aluminum itself is one of active metal component, it is easy to acid-base reaction from outside, if it is in the water for a long time, aluminum components will react in water, in order to provide the scaffold performance stability, oxidation treatment was carried out on the scaffolding, make its surface with a layer of oxide film, to prevent foreign materials on the scaffold corrode action. In order to overcome the aluminum alloy surface hardness and wear resistance of defects, prolong service life, surface treatment technology to become an indispensable part in the aluminum alloy used. Metal oxide film has changed the surface state and performance, such as surface shading, improve the corrosion resistance and enhance the wear resistance and hardness, protect the metal surface and so on. Aluminum anodic oxidation, for example, the aluminum alloy in corresponding electrolyte ( Such as sulfuric acid, chromic acid, oxalic acid, etc. ) As anode, in certain conditions and that under the influence of impressed current electrolysis. Anode aluminum or its alloy oxide, alumina thin layer is formed on the surface, the thickness is 5 ~ 20 microns, anodic oxidation of aluminum or its alloy and improve its hardness and wear resistance. 

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