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  2. Porosity sealing - Wikipedia

    en.wikipedia.org/wiki/Porosity_sealing

    Vacuum impregnation is a preferred OEM process that seals porosity and leak paths in metal castings, sintered metal parts and electrical castings that form during the casting or molding process. Vacuum impregnation stops casting porosity (a phenomenon that occurs in the die-cast manufacturing process and allows manufacturers to use parts that ...

  3. Rowenta - Wikipedia

    en.wikipedia.org/wiki/Rowenta

    Rowenta is a German manufacturer of small household appliances. Since 1988, it has been part of the global French Groupe SEB. Since 1988, it has been part of the global French Groupe SEB. The German subsidiary is Rowenta Werke GmbH in Erbach in the Odenwald district in Hesse.

  4. Materials for use in vacuum - Wikipedia

    en.wikipedia.org/wiki/Materials_for_use_in_vacuum

    PVC, usually in the form of wire insulation (also a source of leaks) Various residues, e.g. flux from soldering and brazing, and lubricants from machining making thorough cleaning imperative. Getting the outgassable residues from tight crevices can be challenging; a good mechanical design that avoids such features can help.

  5. Deoxidization - Wikipedia

    en.wikipedia.org/wiki/Deoxidization

    Vacuum deoxidation is a method which involves using a vacuum to remove impurities. A portion of the carbon and oxygen in steel will react, forming carbon monoxide. CO gas will float up to the top of the liquid steel and be removed by a vacuum system. As the chemical reaction involved in vacuum deoxidation is:

  6. Fugitive emission - Wikipedia

    en.wikipedia.org/wiki/Fugitive_emission

    A detailed inventory of greenhouse gas emissions from upstream oil and gas activities in Canada for the year 2000 estimated that fugitive equipment leaks had a global warming potential equivalent to the release of 17 million metric tonnes of carbon dioxide, or 12 percent of all greenhouse gases emitted by the sector, [9] while another report put fugitive emissions at 5.2% of world greenhouse ...

  7. Desoldering - Wikipedia

    en.wikipedia.org/wiki/Desoldering

    Anything with a base unit with provision to maintain a stable temperature, pump air in either direction, etc., is often called a "station" (preceded by rework, soldering, desoldering, hot air); one, or sometimes more, tools may be connected to a station, e.g., a rework station may accommodate a soldering iron and hot air head. A soldering iron ...

  8. Groupe SEB - Wikipedia

    en.wikipedia.org/wiki/Groupe_SEB

    Notable brand names associated with Groupe SEB include All-Clad, IMUSA, Krups, Moulinex, Rowenta, Tefal (including OBH Nordica), Mirro and WMF Group. According to the Groupe SEB website, they have faced considerable competition from low-price Chinese competitors, but have managed to maintain a constant sales level.

  9. Air-free technique - Wikipedia

    en.wikipedia.org/wiki/Air-free_technique

    These techniques prevent the compounds from reacting with components of air, usually water and oxygen; less commonly carbon dioxide and nitrogen. A common theme among these techniques is the use of a fine (10 0 –10 −3 Torr) or high (10 −3 –10 −6 Torr) vacuum to remove air, and the use of an inert gas: preferably argon, but often nitrogen.