History And Application Of Bronze Powder

The bronze powder paint is a direct byproduct used in statues decorative

, furniture, construction and other similar items. The initial powder was the gold. People made it as very thin gold leafs. Through a fine sieve and an appropriate binder mixed, its application is much easier and more economical than that of the original gold leafs.

Ordinary bronze powder (FCu 663) has the appearance of gold. There are hundreds of different shades and particle sizes. Most of them have a small amount of zinc, copper and aluminum alloys. Be improved in order to get a special color and tone, you can use other metals such as tin and nickel powder in the air is heated to about 150 C, control heating and cooling time. There is also staining powder, using a complex method of operation, you can get all kinds of purple, blue, green, dark red and red tones.

The manufacturing of bronze powder is like the aluminum pigment manufacturing. First of molten metal sheet or foil shaped into small particles, these pellets block put into the steel mill or a series of enclosed hammer mill with a hard acid, oleic acid, olive oil, acid or other suitable lubricant grinding, to achieve the required fineness, sent to the polished barrels add more lubricant to be polished, usually after polishing powder need to store some time to develop a satisfactory floating nature. Hall paste pigments used in the manufacture of aluminum pigment and hametag continuous ball mill method can be used to make bronze powder paint.

There are several grades of commercial bronze powder. Their main difference is that the average thickness of the film, the particle size distribution and per unit of pigment to cover the average area of water. In general, compared with the same grade aluminum pigments, bronze to copper-based powder to cover the water area is much smaller. Bronze powder is almost completely used for decorative purposes, compared to aluminum pigments, their prices more expensive and more resistant to optical activity to be less poor outdoor durability. According to introductions from metal powder exporter, bronze powder can be used in the varnish of interior decoration, decorative iron, home appliances, paint, printing ink, paper and textiles, enamel paint, lithographic multi-tone metal finish, the screen printing ink and wallpaper medium.

One kind of bronze powder containing high levels of copper alloys, zinc and trace lead is widely applied in the marine anti-fouling paint. But it is so expensive. Particle of this copper powder is thick. It has irregular shape and its appearance is much like diatomite. There is no blade characteristic and it can only be used in whole paint processing.Source:http://www.mhcmp.com

by: anelwew

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