Material Sample Shop

Thermochromic Liquid Crystal Sheet - Changes colour when heated

This plastic sheet is printed with thermochromic liquid crystals that change colour from black to green to blue and then back to black as the sheet is heated through its temperature range. The colour change is reversed when the temperature is lowered. The colour change happens within a five degree temperature range and there are different variants for temperature ranges between -30°C and 120ºC. MaterialSampleShop stocks a limited selection of variants. 

Used for:
It is used for flat thermometers that can be glued to surfaces. It is also used for science experiments and thermal mapping in R&D.

Details:
The sheet will degrade with time and the degradation is accelerated if the sheet is exposed to UV light or if heated to high temperatures. Thermochromic sheets can easily be cut to the desired geometry.

Idea:
Use this technology to monitor machine temperatures.

Try it:
You can see the colour change by heating the sheet between your palms.

The sample:
We sell sheets with adhesive backing measuring 30 cm x 15 cm in the following temperature ranges:
  • 20°C to 25°C
  • 25°C to 30°C
  • 29°C to 33°C (aka "Stress Sheet")
  • 30°C to 35°C
  • 35°C to 40°C

All samples come with a laminated information card.

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Material Sample Shop sells material samples and small quantities of inspiring materials. You can use the samples to build your own material library or get materials for experiments.

All samples come with laminated information cards.

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