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The pre painted sheet metal surface processing

June 28, 2017No CommentsCAMELSTEEL

In order to enhance the adhesive power between pre painted sheet metal organic paintings and substrate, and improve the corrosion resistance of coating products. The pre painted sheet metal surface process before coating the substrates have 2 crafts. They are ungrease treatment and chemical conversion film treatment. By the experiences of production process, CAMELSTEEL will introduce the ungrease treatment briefly.

1. Chemistry cleaning. People use organic solvent, surface active agent solution and alkali solution to soak and spout metals’ surface to purify greasy.
2. Polish-brush cleaning. The passivated film produced in the passivation treatment, together with the local rust and attaching dunghills should be handled by polish-brush before smearing the organic painting. The polish-brush cleaning makes the substrate surface to be active.
3. Electrolysis cleaning. Electrolysis cleaning could solve the substrate surface treatment problems about machincal and chemical cleaning. And it help the substrate to produce a microcosmic even rough surface to improve its adhesive force.

 



Pre Painted Sheet Metal Basic Info
Stock: Stock
Name: Pre Painted Sheet Metal
Thickness: 0.12 mm-1.2 mm
Top Paint: 10-25 Micron (Normal 10-12 Micron)
Back Paint: 5-12 Micron (Normal 5-7 Micron)
Grade: SPCC /SGCC /Dx51d /JIS G 3312
Top Paint Type: PVDF, HDP, SMP, PE, PU
Coating Process Front: Double Coated & Double Drying, Single Coated & Double
Use for: Roofing and Wall, Curved Profiles, Corrugated Sheet
Transport Package: Standard Export Packing
Specification: Thickness: 0.12 mm-1.2 mm
Origin: Shandong, China
HS Code: 72104900

 

CAMELSTEEL consistently carry out the policy of “Customer first, employees of the second, third shareholders” and the tenet of “Treat people with sincerity, start business with trustiness”. We insist brand building of main line, market demand oriented, not afraid to innovate, keep providing the first-class service and quality products for customers indeed.

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