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Stainless Steel, especially when it is exposed as furnishing purpose, should appear a clean, smooth and faultless surface. Basically, Stainless Steel is corrosion resistant. It is protected by a passive layer; a thin, impervious and invisible surface layer that consists mainly of chromium oxide. The O2 content of the atmosphere or aerated aqueous solutions is normally enough to create and maintain this passive layer. However, its surface may change if exposed to organic contaminations such as salt water, rain, grease, oil, paint, fingerprints, glue residues and dirt that can cause corrosion. Stain may occur but it will not affect the durability of the metal furniture itself. Nevertheless, cleaning process will be required to restore an acceptable surface quality with regards to the corrosivity of the environment, corrosion resistance of steel grade and aesthetic considerations. Therefore, we recommend regular polish treatment to maintain the life span of your metal furniture. You can follow this simple method to do the routine maintenance and remove the dirt that causes the plaques of the stainless steel. Please polish always in the same direction. You may re-use the pad for the next brushing. For older stains or mark we recommend using stronger polish paste. Another hint: fingerprint can hardly be avoided. Aluminum furniture resists rust but has to be safeguarded against any type of pitting that gives the metal a dull patina. Frequent washings help prevent this condition if the metal is in good shape or has an enameled or baked-on finish. If the metal is already in poor condition, more than washing will be needed to revive it. If the aluminum furniture is in poor condition, rub each piece briskly with a steel wood pad. If this is unsuccessful, try a No. 00 steel wool pad soaked in kerosene or paint thinner. Once the metal is smooth again, wash it in a mild detergent and water solution. Rinse and dry thoroughly. Protect the rejuvenated finish with a light application of automobile wax, then buff to remove any excess. Ideally, aluminum should be washed and waxed every few months. |