Which Is More Corrosion-Resistant: Copper or Aluminum Coils?

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2025-12-15 09:18:47 - Traduire -

Corrosion resistance is a make-or-break factor for HVAC coils, and copper outperforms aluminum in challenging environments. Copper forms a dense natural oxide film that defends against salt spray, industrial waste gas, and hard water scaling. Near chemical plants, copper-coil AC corrosion is just 1/5 that of aluminum. Aluminum relies on a thin oxide layer for protection, which works in...

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