河北Light change hair clip

First, the principle of color change:

Photochromic products, which are exposed to sunlight/ultraviolet light and absorb sunlight/ultraviolet energy

The color changes, when the sun/UV is lost, it returns to the original color.

Second, the basic 6 colors:

Third, the application reference color
 

 

The above colors are subject to actual application.

Fourth, the form and application of photosensitive color-changing materials:

Photochromic MC powder: powder, particle size 5um-10um. Can be used for plastic injection or modulation of oily and water-based inks.

Photochromic OP powder: soluble in organic solvents for high transparency materials.

This product has passed the environmental testing test of SGS ROHS 6P and bisphenol A, and can be widely used in food packaging, toy products, clothing and other industries.