The card color will be changed after the temperature reaches the point for color change. Heat sensitive color changing card, hand sensitive color changing, and cold sensitive color changing card are available.
The temperature for heat sensitive color changing card is usually 38℃, 45℃, 50℃, 55℃, 60℃, 65℃ etc.
The temperature for cold sensitive color changing sticker is usually 4℃, 10℃, 15℃ etc.
The temperature for hand sensitive color changing sticker is usually 29℃ etc.
The sticker can be produced with different colors. The material, size, color temperature for color changing can be customized.
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