In daily life, we often encounter the gradual fading of receipts or labels printed on thermal paper. So why does thermal paper fade? This article will discuss several main causes of fading of thermal paper.
Chemical properties of thermal paper: Thermal paper produces printing effects by heat acting on thermal chemicals on its surface. These chemicals react when heated to form printed images. However, these chemicals themselves are not long-term stable, and they may break down or oxidize over time, causing the printed image to fade.
External environmental factors: The fading of thermal paper may also be affected by external environmental factors. For example, prolonged exposure to sunlight or strong light may accelerate the fading process of thermal paper. The energy of ultraviolet light and light can destroy the chemicals on the paper, causing the printed image to gradually disappear.
The quality and storage method of thermal paper: the quality and storage method of thermal paper will also affect its fading. Low-quality thermal paper may be more prone to fading after printing. In addition, if the thermal paper is exposed to a humid environment, the moisture content of the paper may increase, causing the printed image to fade.
In order to extend the life of thermal paper printed images, the following are some suggestions:
High quality thermal paper selection: Choosing good quality thermal paper can provide longer printing results and reduce the possibility of fading.
Proper storage environment: Store thermal paper in a dry place, away from direct sunlight, to reduce the impact of external environmental factors on the paper.
Backups and electronic archiving: For important receipts or documents, backups and electronic archiving are recommended. In this way, even if the printed image of the thermal paper fades, you can still obtain the required information through electronic records.
Although fading of thermal paper is inevitable, by taking care to choose high-quality thermal paper, properly storing and backing up important files, we can extend the life of thermal paper printed images. However, it is important to realize that thermal paper is not a permanent printing material, and it is best to use other printing techniques or storage methods for long-term preservation of documents.
In addition, the continuous development of technology may also bring improvements. Thermal paper manufacturers and researchers are working to improve the stability and durability of thermal paper to reduce fading problems. In the future, there may be more advanced thermal paper technology to provide more lasting printing results.
In summary, the fading of thermal paper is caused by a variety of reasons such as its chemical properties, external environmental factors and storage methods. Although there are steps we can take to extend the life of thermal paper printed images, it is important to realize that thermal paper is not a permanent printing material. When dealing with important long-term documents, other printing techniques or storage methods should be considered to ensure the persistence of information.