Services

Powder Coating
for Metal Surfaces


Advantages of using Powder Coating:
  • Powder coatings emit near zero volatile organic compounds (VOC).
  • Powder coatings can produce much thicker coatings than conventional liquid coatings without running or sagging.
  • Powder coated items generally have fewer appearance differences between horizontally coated surfaces and vertically coated surfaces than liquid coated items.
  • The wide range of speciality effects are easily accomplished using powder coatings that would be impossible to achieve with other coating processes.

Powder coating is an effective protective layer in which a metal part is hung on the conveyer line and moved automatically through the coating material applied by a spray gun. On the fore-end of the electrostatic spray gun, a high-voltage current secures the discharged powder to the substrate. The heated, molten powder coating forms a thick film on the substrate. This high quality system allows mass production of light-weight products, and mass painting is possible.

Conveyer System Powder Coating Process:

  1. Oil removal/Impurity removal/Dust removal. Contaminant screening prevents inflow of dust and gas into the field to prevent contamination and capture pollutants.
  2. Short and sanding
  3. Coating (powder/urethane/epoxy). A large drying furnace preserves color balance, temperature stability, coating strength and adhesion. Coating thickness, most important in coating, is controlled.
  4. Heat treatment, very important for strength and durability. With sufficient line length (maximum of 170m), film stabilization time after thermal drying is optimized.
  5. The system is secured for high volume production of large and heavy parts.
    • 1,500(W) x 5,000(L) x 2,200(H) / · 1,000(W) x 7,000(L) x 1,500(H)
  6. Quality inspection (notification)
  7. All Services

Powder Coating Equipment

Equipment
Model
Manufacturer
Qty
Size
Salt Spray Tester   Japan 1  
Dryer SC-OV252 SungChac Science 2  
Line Dryer DW-7000L DAE-WEON 1 5M
Line Dryer   Hwashin P&T 1 30M
Powder Coating Machine SH-206 Sooho Company 1  
Air Dehumidifier HD-150B Harison 3  

 

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