Large roll galvanized wire is made of low carbon steel wire rod processing, is the use of low carbon steel, after drawing forming, pickling rust, high temperature annealing, hot galvanizing. It is processed by cooling and other surface treatment processes. Large roll galvanized wire is divided into hot galvanized wire and cold galvanized wire (electric galvanized wire). Although galvanized galvanized wire and silver powder paint spray effect appearance is not much different. But the effect is very different, galvanized wire surface is zinc layer, good adhesion, good corrosion resistance.
After the silver powder is painted into a film, it is actually a mixture of aluminum powder and polymer, and the paint film is brittle, prone to adhesion problems, and corrosion resistance is slightly worse. Galvanizing refers to the surface treatment technology of plating a layer of zinc on the surface of metals, alloys or other materials to play the role of aesthetics and rust prevention. Zinc is soluble in acids and also soluble in bases, so it is an amphoteric metal. Zinc changes little in dry air.
In moist air, a dense basic zinc carbonate film forms on the surface of zinc. Zinc coating is an anodic coating, which is mainly used to prevent steel corrosion, and its protective performance is closely related to the thickness of the coating. The protection and decoration of zinc coating can be improved significantly after passivation, dyeing or coating with light protector.
Because the resulting coating is thicker, hot-dip galvanizing has better protective properties than electric galvanizing, so it is an important protective coating for steel parts used in harsh working environments. Hot-dip galvanized products in chemical equipment, petroleum processing, Marine exploration, metal structure, power transmission, shipbuilding and other industries have been widely used in the agricultural field such as pesticide irrigation, heating and construction such as water and gas transmission, wire bushing, scaffolding, Bridges, highway guardrail and other aspects, has been widely used.
Post time: 05-12-23