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1.Color coated steel coil classification
(1)According to the use of the based material:cold-rolled steel coil, hot-dip galvanized steel coil, hot-dip galvanized alloy steel coil, hot-dip galvanized-aluminum alloy steel coil,electro-galvanized alloy sheet coil,electro-galvanized steel coil, aluminium coil
(2) According to the production technology.
(3) According to the type of paint: PVC coating steel, PE coating, Acrylic coating, fluorocarbon layer coating, SMP coating
(4)According to the coating performance: High weathering coated steel sheet, high-temperature resistant steel sheet, self-extinguishing steel sheet, sterilized steel sheet, non-stick snow (for roof) steel sheet, fingerprint-resistant steel sheet, self-lubricating steel sheet.
2.The use of color coated steel coil.
Widely used in construction, transportation, home appliances, light industry and other fields.
3. Process flow
(1)Production methods: coating type, laminating (film coating) type, printing and dyeing type.
(2)PPGI Process Flow 4-Stage:
1).Entrance Stage;
2).Pretreatment Stage;
3).Roller Painting Stage;
4.Exit Stage
➀ Uncoil→Stitching→Compression Roller→ Puller→Inlet Looper: For Connecting the coils, In order to provide the steel sheet continuously and consistently
➁Alkli Degreasing→Cleaning→Passivation→Baking:For getting rid of the oil stain and metal fillings, and painting passivation solution, In order to improve the anti- corrosion ability and adhesive ability to the primer paint
➂Primer&Back Coating→Baking→Finish Coating→Baking→Cooling: For adopting the roller coating techniques, baking and water&Air cooling to make the paint adhere to the sheet firmly.
➃Outlet Looper→Cutting→coiling:For recoiling as requirement tons.
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