Applying the Patina

A patina can refer to the natural colouration that happens over time to bronze, as the copper in the alloy reacts to oxygen, or it can refer to a man-made process where a chemical mixture is heated onto the surface of the bronze, to achieve different colours and effects. I am referring to the man-made process, and the above video shows foundry technician Becky Stevenson demonstrating how to apply a patina to one of my bronze pieces.

I then replicated what she had shown me, and once the pieces had cooled down I then applied two coats of wax, by hand using a cloth, to each piece to seal the colour.

This was definitely one of the more fun parts of the whole casting process! It was a chance to experiment and play with the different colours and effects that the application of heat and layering of the patina could achieve and I am super happy with how they turned out!

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