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Join us to the Anodizing trays world Fenny Chang / 2015-09-11
What is Anodizing?
Anodizing(also spelled anodising, particularly in the UK and Australia) is an electrolyticpassivationprocess used to increase the thickness of the natural oxidelayer on the surface of metal parts.
Why we need Anodizing?
The process is called anodizing because the part to be treated forms the anodeelectrode of an electrical circuit. Anodizing increases resistance to corrosionand wear, and provides better adhesion for paint primers and glues than does bare metal.
Many metals are structurally weakened by the oxidationprocess, but not aluminum. Aluminum can actually be made stronger and more durable through a process called 'anodizing'. Anodizing involves placing a sheet of aluminum into a chemical acid bath, quite often acetone in laboratory experiments. The sheet of aluminum becomes the positive anodeof a chemical battery and the acid bath becomes the negative. An electric current passes through the acid, causing the surface of the aluminum to oxidize (essentially rust). The oxidized aluminum forms a strong coating as it replaces the original aluminum on the surface. The result is an extremely hard substance called anodized aluminum.
