Bio Cor-Ten satin
Bio-weathering steel, best-known under the trademark COR-TEN steel, with a special bio-oxydation process and then with a wax-treatement on the surface to ensure indoor use. The oxidation period is very fast - it takes only a few weeks. To preserve satin surface it is advisable to repeat wax treatement with natural wax as you do on the surface of an ancient piece of furniture.
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