Electrostatic powder spraying equipment commonly known as "electrostatic spraying". The spraying method can be manual, automatic or manual + automatic. The spray material is 100% solid powder, the free powder can be recycled, and the paint recycling rate can reach 98%. Suspension transport system, high degree of automation. The coating has fewer micropores, good anti-corrosion performance, and can be coated with thick film at one time.
Electrostatic powder spraying is a coating machine with atomizing nozzle (atomizing the paint) and discharge stage (generating electric current) to make the paint particles, apply an electric charge to it, form an electric field between the electrode and the coated object, and use its electrostatic adsorption to paint.
Electrostatic powder spraying process appeared in the 1960s, mainly applied to metal surface coating. In the late 1990s, with the development of powder coatings and spraying equipment, it became possible to apply electrostatic powder spraying process to non-metallic surfaces.
With the environmental protection law more and more stringent regulations on the content of organic volatile substances (voc) in the atmosphere, the coating industry has been trying to develop a milder coating technology for the environment, Ningbo powder spraying equipment after long-term research and experiments, found that "electrostatic powder spraying" is currently able to achieve the coating technology.
Powder coatings do not use volatile solvents such as organic solvents and water, and are inorganic solvent-based coatings, which greatly reduces pollution hazards caused by solvents, including poisoning incidents caused by operators containing organic solvents; Nor will organic solvents cause fires.
Since the introduction of powder coatings, there have been no major safety accidents caused by powder coatings.
Powder coating is a pure solid composition of the coating, can be fully automatic spraying, a large number of or ultra-sprayed powder, easy to be collected by the recovery system, to achieve the purpose of recycling. Therefore, the utilization rate of powder coatings can reach almost 100%, which makes the coating industry reduce the cost of waste treatment and reduce the degree of environmental pollution. The economic benefit is remarkable.
Of the components formed by the coating film, the solvent type is about 60% to 65%, while the powder coating can reach almost 100% efficiency, and the powder that is not attached to the sprayed object can be recycled. Under normal circumstances, the use of powder spraying technology can make the painting operation as economical and effective as possible. In the powder coating operation, if there is a poor spraying part, it can be blown off with an air spray gun before baking, and then re-painted. Therefore, it can avoid the phenomenon of surface paint flow and dripping paint, and greatly reduce the probability of repainting and rework. Because powder spraying uses electrostatic spraying, painting equipment can almost reach full automation, saving manpower. Even if manual assistance is required, painting personnel do not have to undergo long-term training to master operational skills. Powder coatings are 100% solid and do not need to add any solvent, so the amount of paint is reduced, saving packaging and reducing storage space.
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