Are ceramic color-changing cups poisonous?

Ceramic color-changing water cups and glass color-changing cups are divided into thermal discoloration, cold discoloration and water discoloration. When the temperature of thermal discoloration is above 40 degrees Celsius, the color changes. When the temperature of cold discoloration cups is below 20 degrees Celsius, the color changes. It is not popular yet. Their principle is: the temperature-sensitive material is printed on the body of the cup, and the material used is a heat-sensitive material with a high temperature resistance of 320 degrees Celsius, non-toxic, lead-free, and chromium-free, all of which can meet European standards. According to the design plan of the design draft, film production, plate making, printing, drying, baking, and then packaging!

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Post time: Jan-09-2023

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