Prepainted 2D 3D Wood Grain Metal

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To assess the quality of the substrate used in patterned color-coated steel sheets, the following inspection methods should be employed: First, verify whether the substrate type meets the specific requirements. Currently, for high-quality color-coated steel sheets, aluminum-zinc alloy-coated (Al-Zn) or galvanized (Zn) substrates are the preferred choices: Aluminum-Zinc Coated Substrate: Offers superior corrosion resistance, making it ideal for outdoor applications and the top choice for mid-to-high-end products. Hot-Dip Galvanized Substrate: A standard, cost-effective option suitable for meeting the requirements of general working conditions. Cold-Rolled Substrate: Lacks a protective anti-corrosion coating; therefore, it is suitable only for dry indoor environments and is strictly prohibited for use in outdoor roofing or exterior wall applications. Low-quality products often attempt to pass off cold-rolled steel as galvanized or aluminum-zinc coated steel. This can be detected by examining the cut edges of the sheet: cold-rolled steel edges will appear as the pure color of steel, whereas galvanized or aluminum-zinc coated edges will reveal a silvery-gray alloy coating. Verify the Coating Weight Parameters. The coating weight directly determines the corrosion resistance of the substrate. You may request a coating inspection report to verify compliance with the appropriate standards for your specific application:

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CHANGZHOU JIAYE NEW MATERIALS CO., LTD.

 Audited supplier

12 month

Address: Changzhou, China

Main Product: color coated aluminum, prepainted metal, Home Appliance, Stainless castings, pre-coated stainless, VCM Corrosion resistant film

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