10Pcs Thermochromic Temperature Change Stickers - Surface Temperature Indicators for Lab & Industrial Use(5 Grids H 216~249℃/421~480℉)

There is a row of squares on the small sticker, representing different temperature values. When the temperature rises to this temperature point, the squares will turn black, and even if the temperature subsequently decreases, it will not revert to the color, so that we can know the higher temperature that the object has experienced, and we can know whether there is overheating without long time of monitoring, or use the test paper as a evidence of qualified

• Easily monitor temperature changes with our thermochromic labels that turn black upon reaching a specific temperature, providing clear evidence of overheating.
• Each sticker features a series of squares indicating various temperature values, allowing for precise monitoring without constant observation.
• Compatible with multiple surfaces, our temperature change stickers adhere securely when applied correctly, ensuring reliable performance in both lab and industrial environments.
• Available in both and Fahrenheit display modes, these temperature indicators cater to diverse user needs and preferences for temperature tracking.
• Essential for assurance processes, these stickers serve as strong evidence of temperature exposure, making them indispensable for lab and industrial applications.