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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars. ... (⁠ mg / kg ⁠) Price [7] Year Source Notes USD/kg ... Silicon: 2.3296 ...

  3. Space launch market competition - Wikipedia

    en.wikipedia.org/wiki/Space_launch_market...

    Space launch market competition is the manifestation of market forces in the launch service provider business. [1] In particular it is the trend of competitive dynamics among payload transport capabilities at diverse prices having a greater influence on launch purchasing than the traditional political considerations of country of manufacture or the national entity using, regulating or ...

  4. Electrical steel - Wikipedia

    en.wikipedia.org/wiki/Electrical_steel

    Since amorphous ribbon can be cast to any specific width under roughly 13 inches and can be sheared with relative ease, it is a suitable material for wound electrical transformer cores. In 2019 the price of amorphous steel outside the US is approximately $.95/pound compared to HiB grain-oriented steel which costs approximately $.86/pound.

  5. File:Polysilicon prices history since 2004.svg - Wikipedia

    en.wikipedia.org/wiki/File:Polysilicon_prices...

    Date/Time Thumbnail Dimensions User Comment; current: 13:21, 14 May 2019: 745 × 919 (17 KB): Nyq: Decapitalized common noun, expanded currency symbol: 07:46, 24 March 2015

  6. Polycrystalline silicon - Wikipedia

    en.wikipedia.org/wiki/Polycrystalline_silicon

    Elkem Solar estimates their UMG costs to be $25/kg, with a capacity of 6,000 tonnes by the end of 2010. Calisolar expects UMG technology to produce at $12/kg in 5 years with boron at 0.3 ppm and phosphorus at 0.6 ppm. [20] At $50/kg and 7.5 g/W, module manufacturers spend $0.37/W for the polysilicon.

  7. Space elevator economics - Wikipedia

    en.wikipedia.org/wiki/Space_elevator_economics

    Its cargo capacity will be between 100 and 150 tonnes (220,000 and 330,000 lb), is estimated to have an R&D cost of $10 billion, [17] and production cost of about $200-million for Starship crew, $130-million for Starship tanker and $230-million for Super Heavy. The system has a less than $140/kg price tag which is possibly as low as $47/kg.

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  9. Silicon - Wikipedia

    en.wikipedia.org/wiki/Silicon

    These include hydrogenated amorphous silicon and upgraded metallurgical-grade silicon (UMG-Si) used in the production of low-cost, large-area electronics in applications such as liquid crystal displays and of large-area, low-cost, thin-film solar cells. Such semiconductor grades of silicon are either slightly less pure or polycrystalline rather ...