photochromic dyes sunlight sensitive color change pigment UV powder
Photochromic pigments change color when exposed to ultraviolet light, usually from the sun or a black light. The pigments are effectively colorless indoors and turn into vibrant color, outdoors. When brought back inside, the pigments become clear again.

The photochromic pigment have generally been used in paints, inks, dyes and dyed fabrics etc. Finished products could be Doll hair, toy products, sunglasses, lunch boxes, crayons, jelly shoes, hair clips, hair combs, shoestrings, coasters, craft beads, PVC belts, watch bands, drinking straws, spoons, cups, frisbees, combs, greeting cards, stickers, business cards, UV detection devices, T-shirt, security badges, garments of all sorts, nail polish and so on.





Principle of color change:

The photochromic pigment is colorless indoors or when there is no uv light.

It will change colors when it exposes to sunlight/uv light outside and absorbs the energy of sunlight/uv light.

And revert to its original color when sunlight/uv light is dimmed or blocked.





1. photochromic pigment (sunlight sensitive pigment) color change by sunlight, indoor is colorless, outdoor is colorful.
2. Particle Size: 5-10um
3. using the area: widely used in cosmetics, paint, coatings, fabric, pastic, nail polish, etc.
4. Color: colorful



Application Fields:

1.Paint: suitable for use surface coating products such as PMMA paint, ABS spray paint, PVC paint and water-based paint.

2.Ink: suitable to be printed on various kinds of material, such as fabric, paper, synthetic film and glass.

3.Plastic products: plastic injection and extrusion using high color density PE or PMMA photochromic master batch.