Our thermochromic paper changes color within the temperature range of 31o
F) to 37o
F). As the paper is held in your warm hands, the color will begin to change or disappear. As it cools, it changes back. The cycle repeats itself indefinitely. 8.5 x 11 inches. This 24 lb. paper will accept most types of printing including photocopier, laser, ink jet, pen, pencil, etc. The paper can be printed on both sides.
Each package contains four brilliant colors:
- Purple to Pink
- Green to Yellow
- Blue to White
- Magenta to White
Great for bookmarks, secret messages, and papers your students will never lose. Note: The Glossy Heat Sensitive Paper works best in Laser Printers and most standard copying machines. It may not feed properly in Ink Jet Printers. Read more on our Blog - Heat-Sensitive Paper
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Works for heat-lamp shadows too
Jan 10, 2016 | By David Knierim of Wilsonville, OR United States
Paper Can Be Printed On Both Sides
Sep 13, 2015 | By jennifer of los angeles, CA United States
Jul 6, 2015 | By Riza of Jakarta, Indonesia
Apr 10, 2015 | By Dee of West Terre Haute, IN United States
Endothermic or exothermic?
Oct 24, 2014 | By LaDonna of San Antonio, TX United States
Lots of uses!
Nov 2, 2012 | By Chuck of rural, SD United States
Aug 28, 2012 | By Allan of Las Vegas, NV United States
Elementary Science Resource Teacher
May 29, 2012 | By Michelle Leizman of Beachwood, OH United States
Heat Sensitive Paper
May 29, 2012 | By First Baptist Church of Fort Scott, KS United States
Heat Sensitive Paper fun!
May 22, 2012 | By AC of New York, NY United States