Things to know about the principle of color changing cups

Color changing cups are one of the products used by many people today , especially young people because of the unique features that this product brings. But are color changing cups toxic? What is the principle of color changing cups? Let's find out with us through the article below.

What is a color changing cup?

Color changing cups are known by many different names such as: magic cups, heat changing cups, magical cups, mysterious cups, color changing water cups .

When warm water is poured into the cup, the images on the cup change color according to the temperature.

Color-changing printing helps change the color of the image when the temperature changes. Under normal conditions, the color-changing cup will be black. But when pouring warm water into the cup, the images that change color according to the temperature under the heat-changing enamel layer will gradually appear, surprising the user.

Why can cups change color?

The reason why ceramic cups and mugs change color is because the outside of the ceramic cup is coated with a layer of touch-sensitive enamel . If you want to print images on ceramic cups, you need to use a special type of thermal ink. The temperature in the cup is 70 degrees or higher, which will cause the outside of the cup and mug to change color, making the image printed on the cup appear.

Color-changing cups and mugs are not only a trend among young people, but are also considered a very meaningful and unique gift for relatives and friends.

In addition, this type of ceramic temperature-changing cup is also very popular. Used as an office gift or on special occasions. Because this gift can replace the giver to send good messages to keep through warm images.

Color changing cups are usually pre-printed with the user's preference. Depending on the manufacturer's intention, the cup can change from one color to another or from one shape to another when boiling water is poured inside.

Principle of color changing cup

Under normal conditions, they are just ceramic cups covered with a shiny black coat. So why is it called color changing printing? That is the touch-sensitive enamel layer that has been covered on the outside of the cup. As we mentioned above. To have a color changing printing product using cups, cups. Its creator must use an ink called 'Sumalition'. Also known as thermal ink. When the temperature is raised to more than 40 degrees. Also known as the 'color change' of 'Sumalition' will appear.

A touch-sensitive enamel coating has been applied to the outside of the cup, allowing it to change color according to temperature.

Does color changing cup affect health?

FDA Regulated Color Changing Cups

According to FDA testing. At temperatures from 70 to 100 degrees, enamels with thermal ink or induction enamels will not affect the health of each person. Therefore, when you use the above temperature-changing cups. To drink coffee, drink milk is completely normal.

Most of us use color changing cups to drink warm water, coffee, tea. the water temperature is not over 100 degrees, which cannot cause the induction enamel and thermal ink to decompose into substances that affect health.