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  2. Ultra-high-molecular-weight polyethylene - Wikipedia

    en.wikipedia.org/wiki/Ultra-high-molecular...

    Ultra-high-molecular-weight polyethylene ( UHMWPE, UHMW) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene ( HMPE ), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu. [ 1] The longer chain serves to transfer load more effectively to the polymer backbone by ...

  3. IPX Ultra-high-molecular-weight polyethylene - Wikipedia

    en.wikipedia.org/wiki/IPX_Ultra-high-molecular...

    IPX 2000 Ultra-high-molecular-weight polyethylene ( IPX 2000, IPX UHMW, IPX UHMW-PE, IPX-UHMW-PE) is an engineered polyethylene compound developed to maintain many traits of UHMW, while increasing abrasion resistance, UV stability and decreasing friction and thermal expansion. [1] IPX UHMW was developed in the early 2000s by material scientists ...

  4. List of countries by number of islands - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Depending on inclusion criteria counts vary from 1,200 [22] to 6,000. [23] The number inhabited is variously cited as between 166 [24] and 227. [23] List [23] Hong Kong: 263 >500 m 2 (5,400 sq ft) only. "Many" or "most" are inhabited. List [25] Iceland: 31 4 1 large and "about 30 smaller islands, and thousands of rocks and skerries." List [26 ...

  5. Polyethylene - Wikipedia

    en.wikipedia.org/wiki/Polyethylene

    Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly (methylene)) is the most commonly produced plastic. [ 7] It is a polymer, primarily used for packaging ( plastic bags, plastic films, geomembranes and containers including bottles, etc.).

  6. Cross-linked polyethylene - Wikipedia

    en.wikipedia.org/wiki/Cross-linked_polyethylene

    A cross-linked polyethylene (PEX) pipe. Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.It is used predominantly in building services pipework systems, hydronic radiant heating and cooling systems, domestic water piping, insulation for high tension (high voltage) electrical cables, and baby play mats.

  7. Kelley Blue Book - Wikipedia

    en.wikipedia.org/wiki/Kelley_Blue_Book

    The company reports market value prices for new and used automobiles of all types, as well as motorcycles, snowmobiles and personal watercraft. [16] For both new and used automobiles, Kelley Blue Book provides a fair market range and fair purchase price, based on actual transactions of what others are paying for a vehicle and adjusted regularly as market conditions change.

  8. ASUS Chromebook Flip C434 review: More expensive, but why?

    www.engadget.com/2019-04-26-asus-chromebook-flip...

    1 x 3.5mm audio jack. 12.64 x 7.95 x .62 inches. 3.19 pounds. For almost two years, the second-generation ASUS Chromebook Flip has been the best Chromebook for most people. It hit the sweet spot ...

  9. Waveguide (radio frequency) - Wikipedia

    en.wikipedia.org/wiki/Waveguide_(radio_frequency)

    In radio-frequency engineering and communications engineering, a waveguide is a hollow metal pipe used to carry radio waves. [1] This type of waveguide is used as a transmission line mostly at microwave frequencies, for such purposes as connecting microwave transmitters and receivers to their antennas, in equipment such as microwave ovens, radar sets, satellite communications, and microwave ...