First of all, the principle of thermal paper displaying handwriting!

Thermal paper display handwriting and ordinary paper display is different, thermal paper is through a chemical reaction to display the text, ordinary paper base coated with particulate powder, the composition of colorless dyes phenol or other acidic substances, separated by a thin film, in the heat conditions, the film melted, the powder mix up the color reaction. This creates the difference between thermal paper and ordinary paper!

So, how to make the handwriting on thermal paper disappear quickly?

In fact, we already know how to make the handwriting of thermal paper disappear quickly through the principle of thermal paper. In life, when we observe the handwriting of thermal paper carefully, we will find that the sunlight will disappear a little when it shines on the handwriting of thermal paper, which is because the chemical reaction is unstable, so it will cause the handwriting to disappear under the action of light and temperature. If we want to make the handwriting disappear by ourselves, we can provide the thermal paper with relevant light and temperature, that is to say, destroy his chemical reaction, and create an environment for the thermal paper to make the handwriting disappear.