PVDF Marble Grain Aluminum For Wall Panels

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The molecular structure of fluorocarbon resins incorporates stable carbon-fluorine bonds, which effectively shield against erosion caused by ultraviolet radiation, acid rain, and salt spray; consequently, their performance stability is far superior to that of polyester resins: Outdoor Service Life: Fluorocarbon coatings boast a service life of 15 to 20 years; high-fluorine variants maintain stable performance even in coastal environments characterized by high salt-spray concentrations. In contrast, standard polyester (PE) coatings last only 3 to 5 years; even high-weather-resistance polyester (HDP) offers a service life of merely 10 to 15 years—at least five years shorter than that of fluorocarbon coatings. Aging Resistance: National standards stipulate that outdoor fluorocarbon coatings must exhibit a discoloration rating of ≤ Grade 2 after 1,000 hours of xenon-arc accelerated aging; in actual field applications, the long-term color drift remains negligible. Conversely, standard polyester coatings typically register a discoloration rating of ≥ Grade 3 after 1,000 hours of aging, and within just 2 to 3 years, they begin to exhibit noticeable fading and chalking. Corrosion Resistance: Fluorocarbon coatings can withstand salt-spray testing for over 1,000 hours without developing red rust, demonstrating robust resistance to the corrosive effects of high salt-spray coastal environments and acid rain in industrial zones. Polyester coatings, however, typically endure salt-spray ..

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CHANGZHOU JIAYE NEW MATERIALS CO., LTD.

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Address: Changzhou, China

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

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