Many businesses will add a piece of transparent adhesive to avoid label damage in order to avoid dirty packages, but this is seriously incorrect. Due to the organic chemical characteristics of the thermal paper, the coating on the surface of the thermal paper and the alkaline substances on the transparent adhesive tape have chemical changes, and the color fading agent changes back to no color, resulting in the fading of the label.

Thermal paper is the printing paper specially used for thermal printers and thermal fax machines. Its quality directly affects the printing quality and storage time, and even affects the service life of printers and fax machines.

The production principle of heat-sensitive paper is to coat the particle powder on the ordinary paper base, which is composed of colorless dyes, phenols or other acidic substances, separated by the film.