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Refraction in a Perspex block


[ICI, England] A trademark for transparent acrylic sheeting made from polymethyl methacrylate. The equivalent U.S. material is sold as Plexiglas®.

Other Properties

Can be electrostatic. More easily scratched than glass.

Additional Information

Perspex: Product information

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 11
  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Marie Svoboda, Conservation Survey Index, unpublished, 1997