Uses of thermal paper
Thermal paper: It serves as a communication medium for text and graphics on fax machines, that is, it is used as fax paper. It is used as a recording material in medical and measurement systems, such as electrocardiogram diagrams, thermal instrument recording paper, etc. Printing paper applied to Internet terminals; In terms of business activities, it is used to make trademarks, POS, etc.
The manufacturing principle of thermal paper is to coat fine powder particles, which are colorless dyes such as phenols or other acidic substances, on a common paper base, separated by a film. Under heating conditions, the film melts and the powder mixes to undergo a color reaction. The colored handwriting on thermal paper is unstable and prone to fading, making the content of the document difficult to recognize.
The commonly used lottery tickets all use thermal paper.
Ordinary thermal paper is not suitable for long-term storage, but good thermal paper can be preserved for 30 years or even longer.
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