Thermacolour Sheets

Self-adhesive sheet material printed with thermochromic liquid crystal 'ink'.

Changes colour (bright blue) when heated above 27°C.

Potential applications are many and varied. E.g. temperature indication/warnings, body jewellery, advertising displays (attach a resistance wire to the rear and pass a small current to cause dramatic colour changes to the front 'screen'.

Note: typical applications require only very small pieces e.g. 25 x 25mm. Sample pack contains a piece of thermacolour sheet (50 x 150mm) and 1 metre of resistance wire and information pamphlet describes how to make a simple 'LCD' display.