The material is easily bent and formed, and there are no limitations on the length of pre-patinated copper sheet or strip because whole coils are treated on the production line, not just limited sheet sizes. Aurubis’ experts can also work in partnership with architects to develop special individual levels of patination to meet their design requirements or to match historically patinated copper on existing buildings.

The factory process can be accurately controlled so that, as well as the solid green patina color, other intensities of patina flecks can be created, revealing some of the dark oxidized background material. In a carefully controlled factory process, pre-oxidized copper is treated with specifically formulated copper compounds to create the desired patina colors and heat-treated to chemically bind them to the copper. ft.Nordic Green™ products offer designers unparalleled design freedom and the ability to determine the type and intensity of green patina for each project with choices of “Living” surfaces. One gallon of Traditional Blue Patina generally covers 200 sq. Traditional Blue Patinas are sold in 8oz., 32oz., and 1 gal. Like the Powder Blue Patina, it should be allowed to develop for 24 hours before sealing. Original Blue is a cold patina for bronze, brass, copper, and the Metal Coatings resulting in a light, pale blue to turquoise finish. However, it should be applied indoors and requires at least 24 hours to develop. Because of its stability once dry and sealed, it is a good choice for outdoor work. This patina results in a stable opaque finish close to a bright ocean blue. Powder Blue is a cold patina for bronze, brass, copper, and the Metal Coatings. Cupric Nitrate is commonly used over the top of a base patina such as Traditional Liver of Sulfur or Ferric Nitrate Patinas to add more depth and contrast to the finish.

If used on iron or steel, rust will occur.

To use Traditional Blue Patinas on those surfaces, Prime-It and a Metal Coating should be applied first.Ĭupric Nitrate is a classic hot patina for bronze, brass, and copper resulting in a blue green finish. These patinas will rust iron and steel and should not be used on aluminum. Sculpt Nouveau Traditional Blue Patinas are a range of blue aging solutions for bronze, brass, copper, and the Metal Coatings.

Patina copper sheet metal