Thermal paper is a type of specialty paper that can change color when exposed to heat without the use of any traditional ink. It is usually used in thermal printers specifically for devices such as cash registers, credit card terminals, and adding machines. These papers are made through the application of specially made heat-sensitive materials. These mixtures of chemical materials usually vary on the facility of the manufacturer.1. What’s the Difference Between Thermal Paper and Regular Paper?Thermal PaperThermal paper is different from regulating ar paper in that it’s coated with a mixture of dye and chemicals. When heated above the melting point, checkout pos printer paper, the dye reacts to the chemicals causing a shift to a colored form (typically black but occasionally blue or red). The print head in the machine is able to heat the correct areas of the paper, making it legible.