Back زجاج طافي Arabic Vidre flotat Catalan Floatglas Danish Floatglas German Γυαλί επίπλευσης Greek Vidrio flotado Spanish شیشه شناور Persian Verre flotté French フロートガラス Japanese 플로트 유리 Korean

Float glass

Use of float glass at Crystal Palace railway station, London

Float glass is a sheet of glass made by floating molten glass on a bed of molten metal of a low melting point, typically tin,[1] although lead was used for the process in the past.[2] This method gives the sheet uniform thickness and a very flat surface.[3] The float glass process is also known as the Pilkington process, named after the British glass manufacturer Pilkington,[4] which pioneered the technique in the 1950s at their production site in St Helens, Merseyside.[5]

Modern windows are usually made from float glass,[6] though Corning Incorporated uses the overflow downdraw method.[7]

Most float glass is soda–lime glass,[8] although relatively minor quantities of specialty borosilicate[9] and flat panel display glass are also produced using the float glass process.

  1. ^ Richet, Pascal (2021-02-05). Encyclopedia of Glass Science, Technology, History, and Culture. John Wiley & Sons. pp. 73–74. ISBN 978-1-118-79939-0.
  2. ^ Binggeli, Corky (7 October 2013). Materials for interior environments. Wiley. p. 86. ISBN 978-1-118-30635-2. OCLC 819741821. 819741821.
  3. ^ Groover, Mikell P. (2021). Fundamentals of Modern Manufacturing: Materials, Processes, and Systems. John Wiley & Sons. p. 207. ISBN 978-1-119-70642-7.
  4. ^ Baker, Ian (2018-06-21). Fifty Materials That Make the World. Springer. p. 66. ISBN 978-3-319-78766-4.
  5. ^ "The Story of Pilkington UK". www.pilkington.com. Retrieved 2023-04-09.
  6. ^ Shackelford, James F. (2005). Introduction to Materials Science for Engineers. Pearson Education. Prentice Hall. p. 237. ISBN 978-0-13-142486-9.
  7. ^ "Archived copy". Archived from the original on 2008-02-01. Retrieved 2008-01-30.{{cite web}}: CS1 maint: archived copy as title (link)
  8. ^ Khatib, Jamal (2016-08-12). Sustainability of Construction Materials. Woodhead Publishing. p. 80. ISBN 978-0-08-100391-6.
  9. ^ Wurm, Jan (2007). Glass Structures: Design and Construction of Self-supporting Skins. Springer Science & Business Media. p. 37. ISBN 978-3-7643-7608-6.

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