Whether thermal label paper contains harmful substances is a complex issue, because it involves many aspects such as the material of the paper, the coating composition and the production process. The following is a detailed answer to this question:
1.Paper material:
The main component of thermal label paper is paper, and the paper itself is usually made of natural materials such as cellulose, which generally does not contain harmful substances. However, additives or treatment agents that may be used in the paper production process may contain chemicals.
2.Heat sensitive coating:
The key characteristic of thermal paper is its thermal coating, which contains chemicals that change when heated to reveal text or images. These coatings may contain less toxic chemicals such as bisphenol A. Although BPA is stable at room temperature and has little effect on the human body, heating or long-term exposure may cause damage to the human body.
3.Production process:
In the production process of thermal paper, other chemicals may also be used, such as color dyes, sensitizers, fillers, adhesives, etc. The type and amount of these substances will affect the safety of thermal paper. If environmentally unfriendly or harmful materials are used in the production process, then the thermal paper may contain harmful substances.
In summary, whether the thermal label paper contains harmful substances depends on its specific composition and production process. In general, high quality thermal paper will use environmentally friendly and non-toxic materials to ensure the safety of the user. However, when consumers choose thermal label paper, they should still pay attention to the environmental standards and quality certification of the product to ensure that the selected product does not contain harmful substances.