Zinc Spray Gun is thermally sprayed using either an electric arc or a combustion flame spray gun process. The electric arc process, which allows higher deposition rates with an improved economy, uses two consumable(anode and cathode) zinc wire electrodes. The wires are given opposite electric charges and are fed close together to maintain the electric arc, causing the wires to melt. The molten material is sprayed onto the prepared surface with the help of compressed air.
In the combustion process, a single zinc wire, or a source of zinc powder, is fed into an oxy-fuel flame, which melts the zinc which is then atomized by compressed air for applications of zinc and zinc alloy thermal spray gun coatings can be easily controlled by the equipment operator to provide a thickness of 50 – 500 microns (.002” to .020”). This is important when we considering atmospheric conditions that will dictate the protective thickness required as very long life or highly corrosive conditions necessitate a thicker coating.
Zinc thermal spraying is a method where zinc or zinc alloys are melted and then sprayed onto a prepared substrate, creating a layered coating. Thermal spraying is a highly effective and proven process of corrosion prevention, giving galvanic as well as barrier coating protection to iron and steel.
Zinc Spray Gun Manufacturers in India
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