color coated prepainted steel coil laminated difference between ppgi and dubai ppgi coils1
3 year ago
Coating process control
Coating process section. The coating should be thoroughly mixed evenly, and the temperature should be adjusted to around 25 ℃. The coating is generally applied in reverse by 3 rollers. Adjust the speed ratio and roll gap, and control the dry film thickness of the coating topcoat at 18 μ M~22 μ About m, control the thickness of the back paint dry film to 8 μ M-12 μ About m.
Curing process section. The three-stage furnace temperature is set from low to high to avoid the generation of bubbles, in order to achieve the principle of coating curing plate temperature.
Cooling section. The solidified cooling water should be clean, with appropriate flow control. After cooling, the plate temperature should be less than 50 ℃, and there should be no obvious water marks on the coating surface.
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Main Product:
Prepainted Steel,
PCM VCM,
Embossed Steel,
ppgi,
Home Appliance Steel,
Print Steel
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