SFXC thermochromic paint changes colour when the surface it is applied to reaches or goes above 31ºC. The Thermochromic Colour Change is Amazing!.
Protect Your Brand with Special Effect Color
Fabric Screen Printing Ink fluorescent lime green, 8 oz. (pack of
Thermochromic Acrylic Screen printing ink/Paint - Sea Blue to Neon Green
Blue Glow in the Dark Paint Invisible Blue Acrylic Paint
Fine Green Glow in the Dark Powder
Colour Changing Products
Art & Entertainment Archives - Modernistic
Thermochromic Pigment - Blue - 10g : ID 4139 : $4.95 : Adafruit
Thermochromic Ink