Perforated metal sheet NORDIC BRONZE

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Nordic Bronze is an alloy of copper and tin with a color similar to Nordic Standard. The Nordic Bronze product is an alloy of copper and tin ( CuSn4) . When exposed to the atmosphere, the surface gradually changes to a stable, dark chocolate brown. Nordic Bronze is available in sheets or coils. This declaration is valid for the product Nordic Bronze. Application Nordic products are used for facades, roofs , roof drainage systems and other architectural elements of all shapes, as well as interior applications, decorations, ceilings, wall claddings Relevant standards are: /EN 1172/ in combination with /EN 1976/, /EN 1652/, /EN 504/, /EN 14783/. Test standards are: EN ISO 6507-1;2005; EN-ISO 6507-2:2005 , EN ISO 6892-1:2009, ISO 1811-2:1988- 10, ISO 4739:1985-05 The Nordic Bronze product consist of an alloy of copper and tin (CuSn4) according to /EN 1172/. The tin (Sn) content is 3.5-4.5%, the phosphorus content is 0.01-0.4 % and the remaining content is copper (Cu). The cakes for Nordic Brass sheet production are supplied from Aurubis Stolberg and Schwermetall, in Germany, and only undergo rolling operations at Aurubis Pori. Additives: Biodegradable rolling oil and emulsion which is used for cooling and lubrication during the rolling process. Benzotriazole which is used as anticorrosive agent.