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7. Why is there a big price difference between aluminum panels from different manufacturers?
The price difference mainly stems from three core costs: ① Base material quality: Virgin aluminum alloy (high purity, deformation resistant) is 15%-30% more expensive than recycled aluminum alloy; ② Coating process: Fluorocarbon coating (strong weather resistance, outdoor use) is 20%-40% more expensive than polyester coating (indoor use); ③ Processing difficulty: Flat aluminum panels are the cheapest, while curved, carved, perforated, and other irregularly shaped panels are 50%-100% more expensive due to longer processing cycles and more waste.
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2025
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8. What is the lifespan of aluminum composite panels?
Indoor aluminum panels (polyester coating): Under normal maintenance, service life is approximately 15-20 years; Outdoor aluminum panels (fluorocarbon coating, using a "three-coat, two-bake" process): Service life can reach over 20 years in environments without strong acids or alkalis; Lifespan is greatly affected by the environment (e.g., high salt spray environments at the seaside accelerate corrosion), so it is necessary to select "salt spray resistant fluorocarbon coating" and shorten the maintenance cycle.
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2025
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