Is the temperature-changing powder the lower the temperature, the better the fading?

The thermochromic powder is the lower the temperature, the better the fading.

The thermochromic pigment is prepared from an electron transfer type organic compound system. Electron-transfer organic compounds are a class of organic chromonic systems with a special chemical structure. The color transition of the organic substance is changed by electron transfer at a specific temperature. This color-changing substance is not only bright in color, but also can change the color from the "colored === colorless" state, which is not possessed by the heavy metal complex salt complex type and the liquid crystal type reversible thermochromic substance.

The microencapsulated reversible thermochromic substance is called a reversible thermochromic pigment (commonly known as: warming pigment, temperature sensitive powder or warming powder). The pigment particles are spherical in shape and have an average diameter of 2 to 7 microns (one micron is one thousandth of a millimeter). The inside is a color-changing substance, and the outside is a transparent shell with a thickness of about 0.2 to 0.5 μm that neither dissolves nor melts. It protects the discolored material from other chemicals. Therefore, it is important to avoid damaging this layer of the casing during use.

1, the basic color of temperature change:

2, temperature change basic temperature: -5 ° C, 0 ° C, 5 ° C, 10 ° C, 16 ° C, 21 ° C, 31 ° C, 33 ° C, 38 ° C, 43 ° C, 45 ° C, 50 ° C, 65 ° C, 70 ° C , 78 ° C.

3, temperature change color can be changed with the temperature rise and fall and will change color. (In the case of red at 31 ° C, the color change form is colorless above 31 ° C and red under 31 ° C).

4, temperature-sensitive discoloration contains microcapsule color-changing particles, the particle size is between 1~10UM, and has the characteristics of high temperature, anti-oxidation and other capsules.

5. The design of temperature-sensitive color-changing products is based on the color change in high-temperature environment and low-temperature environment, and is mostly applied to human body temperature-sensing products, and can also be used for anti-counterfeiting design.