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What is Patination?

Achieving an antique aesthetic to glazing

Patination is the process of using chemicals to develop or form colour on the surface of metals, particularly bronze and copper. The application of chemicals to the surface of the metal speeds up the natural ageing process which results in a colour change. The colour of the metal can be altered depending on the length of time that the chemicals are left on the surface of the metal for.

The process of Patination is similar to rusting whereby the colour of the metal changes due to chemical reactions within the air, however rusting isn’t a beneficial process for the metal. Patination can occur gradually over time due to natural weathering however, to create the desired finish straight away the process can be accelerated.

Architectural Bronze Patination - Shopping centre Antwerp

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