![]() ![]() Statuary finishes are conversion coatings. This datasheet presents the technology which underlies the craftsmanship and art involved in producing these coloured finishes. Chemical colouring techniques depend upon time, temperature, surface preparation, the mineral content of the water, humidity and other variables which influence the ultimate result. The wide range of colours and shades which may be achieved are largely a matter of craftsmanship and experience. While the chemical solutions described are those generally accepted in the metal finishing trade, many variations exist. This data sheet outlines procedures and formulations for producing both. The most common colours to be produced are referred to as brown or statuary finishes for bronze and green or patina finish for copper. While these metals may be used in their natural colour, as fabricated, it is sometimes desirable to chemically colour pure copper (C11000*), commercial bronze (C22000), architectural bronze (C38500) or other alloys referred to as “bronze” in architectural parlance. Table of ContentsĬopper and copper alloys are widely used in architectural applications to take advantage of their inherent range of colours. This Data Sheet for Applying Statuary and Patina Finish to Copper is published by the Copper Development Association and has been provided by Austral Wright Metals. ![]()
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