Thermochromatic Pigment

pigments pour matières plastiques (Sugru, Polycaprolactone) devenant transparents a 33°C


 * https://www.sparkfun.com/products/11555
 * https://www.sparkfun.com/products/11556
 * https://www.sparkfun.com/products/11557
 * https://www.sparkfun.com/products/11558