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Powder Coating Work Flow < BACK


1. 12 Stages Chemical Pretreatment
  Step 1 - Alkaline degreasing
Step 2 - Tap water rinsing
Step 3 - Tap water rinsing
Step 4 - Etching & Desmutting
Step 5 - Tap water rinsing
Step 6 - Tap water rinsing
Step 7 - Chromate conversion coating
Step 8 - Deionized water rinsing
Step 9 - Deionized water rinsing
Step 10 - Deionized water rinsing
Step 11 - Drying
Step 12 - Quality inspection for chemical pretreatment
2. Dusts on coating surface are removed by air ionizing blowers.
3. Electrostatic spray applied powder coating with dry film thickness 60-80 microns.
4. Coated parts are thermal cured with metal surface temperature 180 - 200 for
10-15 minutes.
5. Quality inspection for coating layer.