Featured product: Thermal paper developers

Thermal paper is a special fine type of printing paper which will change colour when exposed to heat. It is extensively used in inexpensive devices such as credit card terminals.

The paper is coated with a dye and a developer, which change colour when exposed to heat. The colour former - often a pH sensitive leuco dye - will shift to black or various colours when the matrix solidifies.

The substance predominantly used has been bisphenol A (BPA) because of its stability and heat resistance. Are you testing for bisphenols?
 

Learn more about thermal paper developers in our Featured Product flyer.