Pure polyester super weather resistant powder coating

  Pure polyester super weather resistant powder coating can be sprayed with electrostatic spray gun friction gun. When using electrostatic spray gun, the electrostatic voltage is 40-80kv, the distance between wall head workpiece is kept above cm, the spraying thickness is controlled at about 50-80. The workpiece to be sprayed shall be degreased, derusted, phosphated dried before spraying. The compressed air used must be degreased, derusted dried. In order to avoid coating defects, the powder spraying chamber, spray gun powder supply barrel should be cleaned before using the powder coating, the mixture with other powder coatings should be avoided as far as possible. During the spraying process, the reliable grounding of the workpiece shall be ensured, the powder coating on the hanger shall be treated in time to ensure the cleanness of the spraying construction site.