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The Nordic Green and Nordic Blue products consist of 100% recycled Cu-DHP according to /EN 1172/, i.e. oxygen free phosphorus de-oxidised copper with limited residual phosphorus. The Nordic Green product is surface treated with copper oxide layer and artificial patina. The oxide layer consists of Cu2O and CuO oxides. The oxide is covered by mineral based patina, Cu4(SO4)OH6, with greenish color in case of Nordic Green or bluish color in case of Nordic Blue. Nordic Green and Nordic Blue are available in sheets or coils with one surface treated. Dimension: Width range max 1000 mm Thickness 0.5 – 1.5 mm Coils max 3750 kg Sheet length max 6000 mm Chemical Composition %: Copper (Cu) 99.90 (min.) Phosphorus (P) 0.015 - 0.040 Surface: mineral based patina, Cu4(SO4)OH6, with greenish colour.