How to spray powder on LED street light housing ？
What is LED Street Light Housing Surface Color Painting ?
Powder spraying refers to the use of corona discharge to make the powder coating adhere to the LED street lamp housing
After heat melting, curing and other processes, a coating film will be formed on the surface of the LED street light housing.
Die cast led street light housing surface painting Process flow：
1.Surface pretreatment, the main function is degreasing and rust removal；
2.Scrape putty, according to the defect of the street lamp shell, apply the conductive putty, sand paper smooth after high bath.
3.Preheating, if the coating is required to be thicker, the street lamp housing can be preheated to 180 degrees to 200 degrees,
4.For spraying, in a high-voltage electrostatic field, connect the powder spray gun to the negative pole of the street lamp housing, which never constitutes a loop,
5.After the street lamp is sprayed with powder, it is sent to the drying room at 180°-200° to heat it to solidify the powder.
6.Clean up, after the street lamp shell coating is cured, remove the protector and trim the burrs.
Shenzhen EKI Lighting Industrial co.,ltd. special manufacture of die casting led street light housing , outdoor led light housing ,led street light , led garden lighting ,