Patinas have been made from a variety of materials over the years. The most common palette for patinas for copper alloys consists of materials such as ferrous sulfate (red), ferric hydroxide (brown), aluminum hydroxide (yellow), lye (yellow), copper oxide (yellow), manganese hydroxide (red) and sulfuric acid (orange-reddish). In addition, a variety of acids are used in the making of patinas for copper, including sodium hydroxide (lime), potassium hydroxide (sodium hydroxide), borax, calcium hydroxide, carbon dioxide, glycerol, calcium hydroxide, calcium oxalate, and calcium nitrifumarate.
As mentioned above, a copper patina is a surface that has been applied to a copper alloy. Typically, patinas are applied to copper pieces that have undergone polishing. The resulting surface often appears shiny and attractive.
When you are looking for chemicals to use for your patina, it is important to choose only those that are specifically designed for use on copper. These chemicals include a variety of different ingredients. However, not all patina chemicals are created equal, and a good quality polish may contain a number of different ingredients.
The first type of chemical commonly used for creating patinas for copper is copper chloride. This ingredient has a wide range of uses, ranging from general polishing to specific applications. Copper chloride is most commonly found in the form of a thin film that can be applied to a piece using a cloth or a metal pumice stone.
Copper phosphate is another common compound that is used for creating patinas for copper. It is found in both a powder form and liquid form. It is generally used as an abrasive and has a very high level of hardness.
When you are choosing a chemical for your patina, it is important to choose a product that has high levels of calcium and magnesium. These compounds are known to increase the amount of nickel ions that are added to the patina, resulting in an increased shine and a smoother finish.
One of the most commonly used acids for creating patinas for copper is called copper hydroxide. It is a high-pressure mixture that can be applied with a sponge. or by using a brush and the correct applicator. Copper hydroxide has a high amount of hardness and is ideal for polishing pieces that will have a very low-porosity.
The most important thing to remember about using chemicals for creating patinas for copper is to choose the right chemical. Chemicals will be effective, but are very dangerous if not properly prepared. If you are not sure what to use, be sure to consult a professional or do research on the internet to make sure that you are using the proper chemical.
Copper pumice stones can be purchased at most hardware or home improvement stores, and they will come in various sizes. You should choose a size that will create a patina for your copper and fit the piece perfectly, without overspreading it.
It is not recommended that you use pumice stones for cleaning copper pieces because they can cause serious damage to the copper material. Pumice stones are more suited to be used for polishing items such as stainless steel, which is not easily damaged.
It is also important to note that when you are using chemicals for creating patinas for copper, they are not suitable for use on polished or unpolished copper pieces. If you have unpolished copper pieces, you will want to keep them clean by using a mild polishing product or a product that contains aluminum oxide. to help remove tarnish.
It is important to remember that chemicals used for creating patinas for copper may also react with other types of material that you may be using to protect your finished product. Therefore, you should be sure to use a protective sealant when using chemicals.
City Chemical produces chemicals that are purchased for industrial use such as Nickel Monoxide (1313-99-1), Primuline (8064-60-6), Quininic Acid (86-68-0), Silicon Tetraiodide (13465-84-4), Silver Nitrate (7761-88-8), Tantalum Ethoxide (6074-84-6), Tetraethylgermanium (597-63-7), Tetraethylsilane (631-36-7), Triethylsilane (617-86-7), Zinc Chromate (13530-65-9), Zinc Silcofluoride (16871-71-9), 1,4-Naphthoquinone (130-15-4), 2,5-Dimethylindole (1196-79-8), 4-Chloro-2-nitrophenol (89-64-5), Antimony Trioxide (1309-64-4), Barium Manganate (7787-35-1), Benzyltrichlorosilane (770-10-5), Dibutyltin Sulfide (4253-22-9), Diphenic Acid (482-05-3). To learn more about chemicals visit citychemical.com.