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EPD: Alu-zinc coated galvanized steel panels, double-sided, 7825 kg/m3, Galvalume coated steel (ArcelorMittal Brasil)
This Environmental Product Declaration refers to a double-sided hot dip galvanized coated steel, consisting of steel substrate with a specific metallic alloyed zinc coating, Galvalume®, applied by means of a continuous hot dip galvanising process. The Galvalume® basic composition is: 55% aluminum, 43.4% zinc and 1.6% silicon. The combined action of the aluminum and the zinc gives extraordinary corrosion resistance to this type of coating, where the first creates a protection barrier whilst the latter becomes the sacrificing element providing galvanic protection. Among its most important characteristics are high reflectivity, which generates higher thermal efficiency, and high heat resistance with no loss of protection, brilliance and colouring characteristics. Galvalume® coated steels are described according to NBR 15578. They are available in a very wide range of steel grades and coating density of 3.8 g/cm3. For the use and application of the product the respective national provisions at the place of use apply.
brazil