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Drain cleaners usually contain a strong base such as sodium hydroxide that decomposes hair and converts fats into water-soluble products. The reaction is exothermic, releasing heat to soften the fats. Drain cleaners can also contain aluminum, which reacts with sodium hydroxide to produce bubbles of hydrogen gas that help to break up the clog. [11]
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]
Drano has been used to create homemade bombs called Drano bombs by mixing the product with aluminum. In 2017, a Drano bomb severely burned a 12-year old girl in the neighborhood of Harlem in New York City. Drano bombs have the ability to cause third-degree burns and blindness. [6]
Parts cleaning is a step in various industrial processes, either as preparation for surface finishing or to safeguard delicate components. One such process, ...
Traces of lubricants, residues from machining, can be present on the surfaces. A specific risk is outgassing of solvents absorbed in plastics after cleaning. The gases liberated from the materials not only lower the vacuum quality, but also can be reabsorbed on other surfaces, creating deposits and contaminating the chamber.
Scientists discovered an aluminum-nickel alloy capable of withstanding high temperatures and corrosion, paving the way for 100% hydrogen combustion engines.
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