Which environments are not suitable for thermal label paper?

Thermal label paper is widely used in various industries because of its special thermal coating that can show color when heated. However, it also has some limitations, and some specific environments may not be suitable for the use of thermal label paper. The following are not suitable for the use of thermal label paper environments:

High temperature environment: Although there are high-temperature resistant thermal paper on the market, ordinary thermal paper is easy to accelerate the chemical reaction of the thermal coating in a high temperature environment, resulting in fading or blurring of the label. If the ambient temperature is too high, the writing or pattern on the thermal paper may disappear or become unclear in a short time.

Humid environment: A humid environment will cause the thermal paper to be damp, which will affect the printing effect and storage time. Although there is a waterproof thermal paper, long-term use in a humid environment may still affect the clarity and durability of the label.

Direct sunlight environment: Long-term direct sunlight will make the writing and pattern on the thermal paper fade. Because ultraviolet light in sunlight accelerates the breakdown of the dye in the heat-sensitive coating, the label information is blurred.

Oil or chemical environment: Although some thermal paper is oil resistant, in an environment with heavy oil or frequent exposure to chemicals, the durability and clarity of thermal labels may be affected. Chemicals may react with the heat-sensitive coating, causing damage to the label.

Where information needs to be stored for a long time: Because the writing and patterns on thermal paper may fade or blur over time, it is not suitable for use in situations where information needs to be stored for a long time. For example, important legal documents or contracts that need to be stored for a long time and require high information clarity are not recommended to use thermal paper.

In summary, high temperature, humidity, direct sunlight, oil or chemical environments and situations where information needs to be stored for a long time may not be suitable for thermal label paper. When choosing whether to use thermal label paper, comprehensive consideration should be made according to the specific use environment and needs.