The difference between electrostatic powder coating and spray paint

With the development of real estate buildings in the city, our zinc steel fences also spread over the protection of the project. According to the different styles of building design, the appearance and color of the guardrail can be somewhat different. There is always a question of whether the user asks whether the guardrail process is spray painting or electrostatic spraying. What is good and what is different?
Electrostatic spray and spray paint are two different concepts. Plastic powder belongs to dry powder. Paint is a liquid. Therefore, the processing and handling methods are not the same. Anticorrosion and the combination of paint and metal are not the same.
1. Paint:
Speaking of paints, everyone will know that because there are many places for paints, general iron products such as outdoor use paints, and can also be said to be hand-painted, such as rural homes, steel structures, etc. Almost all of them are hand-painted, and the advanced point is the natural sun drying after painting with a spray gun, mainly paint for outdoor construction.
Spray paint is also to see the master's personal craft so as to spray evenly, no surface flow phenomenon. Although the appearance of painted objects can be used, but the paint film is thin, the adhesive force is not sprayed, so it is easy to bump and scratch, because the spray must be solidified powder after high temperature baking will adhere to the guardrail. On the face tube.
2. Electrostatic spray process:
Electrostatic spray is the use of corona discharge phenomenon so that the powder coating naturally adsorbed on the guardrail. The powder coating is supplied by the powder supply system with compressed air gas into the spray gun. The high pressure generated by the high-voltage electrostatic generator is added to the front end of the spray gun. Due to the corona discharge, a dense charge is generated in the vicinity of the spray gun. When the powder is ejected from the nozzle, it is charged. The paint particles, which are affected by the electrostatic force, are attracted to the workpiece with its polarity reversed. With the increase of the powder sprayed on the fence workpiece, when the powder reaches a certain thickness, it will no longer continue to adsorb due to electrostatic repulsion. , so that the entire workpiece to obtain a certain thickness of the powder coating, and then heated to heat the powder to melt, leveling, curing, that is, in the guardrail surface to form a hard layer of paint film. Electrostatic spray has been applied in many products, such as the refrigerator we use at home for the longest time. Its shell and metal fittings inside are all processed by electrostatic spray process, electrostatic spray feeling, glossiness. , as well as the overall details are better than ordinary paint.
Before purchasing the guardrail, first inquire about it, check some relevant information of the manufacturer for confirmation, if it is convenient, you can go to the manufacturer to see it. If you look at the actual product in this way, you will feel more at ease. After all, the current market competition is fierce, and fisheyes are inevitable. In fact, a company that wants to develop and is developing, especially an old factory that has a certain number of years of construction, has come down to earth and can give priority to consideration.
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