Copper - colored metal that oxidizes when exposed to air or water.From a chemical standpoint, this means that the coated metal oxide film which protects it against aggressive environmental exposures.First, there are small pink spots.Then comes the stage of oxidation and rust.The subject becomes a reddish-brown, and then chestnut.In the final stage of oxidation brings blue-green pattern of spots on the metal surface.The oxidation process may be interrupted at any time.Products must be returned to the original form by special agents.
natural oxidation process takes from five to fourteen, depending on the amount of sulfur dioxide in the atmosphere.It can be accelerated.This effect sought by the production of oxidants by dilute sul
furic acid.It is very harmful to humans, so the whole process is carried out in isolated and well ventilated areas.
Staining patina surfaces
patina applied to the painted surface of a polishing can give a room a refined look.This can be done with the house, which was built recently.Even the most ordinary building takes the form of the estate of a noble a noble family.
patina coloring process usually consists of several steps.First, a layer of base paint.Then, sponge or cloth with a layer of oxidizer mixed with paint in a ratio of one to three.The color of ink should be two or three shades darker than the base layer.There is no practical purpose patinas is not intended, because it does not differ from the usual paint.
patina on metals
view weathered, rusted metal - this is one of the varieties of decoration, which is very popular among fans of antiquity.Finishing under a reddish-yellow metal can be done using commercial kits inks, which can be purchased at hardware stores.To create a rusted metal divorce patina on wooden or clay surfaces using special leveling surfaces, followed by patterning.
Patina on clay or stone
Under adverse conditions, clay and stone structures in the garden covered with a natural patina, which is a green patina of lichens with white markings.They are generally uniformly distributed across the surface.This effect can be simulated using a liquid consisting of water and the latex paint in a ratio one to two.It is applied with a sponge, creating the appearance of a natural patina on the pots, garden sculpture and elements.