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How is the corrosion resistance of CuproBraze heat exchanger compared to soft soldered one?

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How is the corrosion resistance of CuproBraze heat exchanger compared to soft soldered one?

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It is generally better. On CuproBraze heat exchangers the materials are of equal nobility, so galvanic differences are practically eliminated. On soft soldered heat exchanger the solder is less noble than fin and tube materials and can suffer from galvanic attack in a corrosive environment. CuproBraze tube alloy contains 85% copper which gives high resistance against dezincification and stress corrosion cracking.

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