Science & Justice
Volume 48, Issue 4 , Pages 187-191, December 2008

Erasable ink; something old, something new

Forensic Science Service Ltd., London Laboratory, 109 Lambeth Road, London, SE1 7LP, United Kingdom

Received 4 May 2007; received in revised form 15 November 2007; accepted 16 November 2007. published online 03 January 2008.

Abstract 

Writing made with the Frixion ® rollerball pen by Pilot ® can be made colourless using the eraser incorporated in each pen. The heat generated by the friction between eraser and paper decolourises the ink and other sources of heat have a similar effect. The original colour of the ink is restored by cooling it to a temperature below 20 °C.

Keywords: Erasable, Ink, Ball-pen, Heat sensitive

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PII: S1355-0306(07)00147-5

doi:10.1016/j.scijus.2007.11.002

Science & Justice
Volume 48, Issue 4 , Pages 187-191, December 2008

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