Electrostatic spray process principle:
The powder coating is sprayed onto the surface of the workpiece by an electrostatic powder spraying device (electrostatic spray machine). Under the action of static electricity, the powder is uniformly adsorbed on the surface of the workpiece to form a powder coating; the powder coating is subjected to a high temperature baking flow. Flat curing, the final coating of different effects (different kinds of powder coatings); spraying effect is superior to painting process in terms of mechanical strength, adhesion, corrosion resistance, aging resistance, etc., plastic particles will melt into a layer of compact The protective layer is firmly attached to the surface of the workpiece. The cost is also under the same effect of painting.
Electrostatic spray molding process is pre-treatment (deoiling, descaling, phosphating); electrostatic spraying; high temperature curing (refer to the plastic powder required temperature, generally 160 ~ 210 degrees);
Advantages of electrostatic spray molding traditional painting process:
Compared with the traditional painting process, the electrostatic spray molding process has significant advantages, no need for thinner materials, no pollution to the environment, no toxicity to the human body; excellent appearance quality of the coating, strong adhesion and mechanical strength; short curing time of the spray coating The coating has high corrosion resistance and wear resistance; no primer is needed; the construction is simple, the technical requirements for workers are low; the cost is lower than the painting process; some construction occasions have clearly stated that it must be treated by electrostatic spray coating; electrostatic powder spraying The rogue phenomenon that is common in the painting process does not occur during the process.
