Thermochromic Pigment - Rapid IT9-004, This thermochromic pigment appears blue at room temperature, but at 27°C the colour disappears. When cooled, the colour returns. Rapid Thermochromic Pigment 5ml - Blue
Thermochromic Pigment - Rapid IT9-005, This thermochromic pigment appears black at room temperature, but at 27°C the colour disappears. When cooled, the colour returns. Rapid Thermochromic Pigment 5ml - Black
Thermochromic Pigment - Rapid IT9-007, This thermochromic pigment appears green at room temperature, but at 27°C the colour disappears. When cooled, the colour returns. Rapid Thermochromic Pigment 5ml - Green