Our Patinas

David M Bowman Studio


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Patinas

Blue-green & White Blue-green

Brown & White Brown

Dark Green & Black

Ochre, White Ochre, & Black Ochre

Grey, Silver, Silver Brown, & Stone Grey

Mottle, Burnt Mottle, & Brown Mottle

Spray Blue-black

Apple Green

Pigmented Blue & Antique Blue

Flame colored copper


Patina care

Our Patina formulas

Technique


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David M Bowman Studio
Box 738
Berkeley, CA 94701
510 845-1072
david@davidmbowman.com
reed@davidmbowman.com

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Apple Green is currently the only simple cold application patina we use. The solution is mixed, brushed heavily all over the cold metal (to make a puddle over the whole surface) and allowed to stand. Over the next few days as it dries the patina is brushed on again. When the first layer or two dry, they form an ugly powdery greenish coating like dried toothpaste. After a few days, and usually three or more applications, the upper layer of this powder can be brushed or rinsed off very gently, to reveal a varied green and blue-green coating over most of the surface, with a stable tarnished-bronze color in the gaps. It is not very controllable, but the results are almost always pleasing.


For a variation on dark green patina, a layer of liver of sulphur black can be applied with care over the dried apple green surface. This tends to produce some flaking and can be difficult, but will sometimes yield interesting textures.