Rvfm thermocolour sample pack
Thermocolour sheet rvfm it9 002 a sample pack containing a 50 x 150mm thermocolour sheet printed with a thermochromic liquid crystal ink which changes colour when heated above 27degca 1m length of resistance wire is also included which can be attached to the back of the sheet and used as a heating element when a small current is passed through it rvfm thermocolour sample pack