Thermal paper is also known as thermal fax paper, thermal recording paper, thermal copy paper, in Taiwan, it is called thermal copy paper, and it is written as Thermal paper in English.
Thermal paper is a processed paper whose manufacturing principle is to coat a layer of “thermal paint” (thermal discoloration layer) on high-quality base paper.
Although there are more than a dozen chemicals used in this color-changing layer, there are at least the following compounds:
Leuco dyes, which have a wide variety, the most commonly used are fluorescent compounds;
The color developer accounts for less than 20%, and the commonly used ones are bisphenol and p-hydroxybenzoic acid;
The sensitizer accounts for less than 10%, containing benzenesulfonic acid amide compounds;
Fillers account for less than 50%, and calcium carbonate (particles) are commonly used;
Adhesives account for less than 10%, such as polyvinyl acetate;
Stabilizers, such as dibenzoyl terephthalate;
Therefore, the process is difficult and the technical requirements are high.
Guanhua Paper is top 10 thermal paper manufacturer & supplier.
Thermal paper application:
As a communication carrier of text and graphics on a fax machine, that is, as fax paper;
Used as recording materials in medical and measuring systems, such as ECG drawings, thermal instrument recording paper, etc.;
Printing paper applied to Internet terminals;
In terms of commercial activities, it is used to make trademarks, signatures (POS), etc.,
Among them, the consumption of fax paper occupies the largest proportion.
Ordinary thermal paper is not suitable for long-term storage, but good thermal paper can be stored for 30 years or more.
Well, for more content, pay attention to Suzhou Guanhua Paper Factory.
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