What is the correct name for inks that change/revert colour.

Subject: What is the correct name for inks that change/revert colour.

Date: Wed Nov 22 21:02:25 2000
Posted by Julian
Grade level: nonaligned School: none
City: Cardiff State/Province: South Wales Country: UK
Area of science: Chemistry
ID: 974944945.Ch

Message:


I'm trying to find out the correct name for the class of inks that 
change/revert their colour when heat is applied/removed. Do any of these 
inks retain their new colour afterwards? If so, how?

Thank you very much.

Re: What is the correct name for inks that change/revert colour.

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