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M.S. Rau's Sherita Bougere offers up her best advice on how to clean and polish brass at home.
Use it to clean and polish seven different types of metals: stainless steel, chrome, aluminum, pewter, bronze, brass and copper. Use to to clean metal cookware, polish car tire rims, breathe new ...
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Virgin grade tin (called ‘ranga’ in Hindi), caustic soda, sal ammoniac (ammonium chloride, called ‘nausadar’ powder in Hindi), and water are used in the process. [6] The first step of kalai is to clean the utensil with water. There are two ways of cleaning the utensil further to remove any impurities such as dust.
Hydrogen is a common contaminant for most cast metals. It forms as a result of material reactions or from water vapor or machine lubricants. If the hydrogen concentration in the melt is too high, the resulting casting will be porous; the hydrogen will exit the molten solution, leaving minuscule air pockets, as the metal cools and solidifies.
Pickling is a metal surface treatment used to remove impurities, such as stains, inorganic contaminants, and rust or scale from ferrous metals, copper, precious metals and aluminium alloys. [1]
Brasso has also been used to polish out scratches in plastics: It has been used to polish CDs, DVDs, screens, and pools to repair scratches. It is a mild solvent and an extremely fine abrasive, so when applied to the reflective surface of the disc and rubbed radially (in straight lines between the edge and centre), it can smooth scratches and reduce their effect.
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