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