Photosensitive Colour Change Pigment

Delivery: free shipping to worldwide by economic type courier.
Buying notice:
1.When you place order, pls leave massage for which color you order. Each color 500 gram. Pls see below photos.

2.For lower prices or bulk prices, welcome email to us make further negotiation. We will check whether have cheaper freight costs to your address.
3.After received your payment, we will send out parcel to Shanghai firstly. Estimate can leave China to you in around 3 days.
4.Due to international freight costs is very expensive, So we usually do not accept return order. If have any problem, we will do best to make compensate, thank you for understanding.
5.When we delivery, we maybe need to use other products name to write on parcel, so can avoid high certificate costs, hope can understand this.

The average particle size of the photosensitive microcapsule powder is 3-10μm, and the water content is less than 3%. It has the characteristics of bright color, high temperature resistance, solvent resistance, etc. It can be used in plastic injection, oil-based ink and paint. Photosensitive microcapsule powder for water – and oil-based inks and coatings 3% ~ 30% w/w (25%), for plastic injection and extrusion 0.2% ~ 1% w/w (0.5%)

Attention:
1. The choice of substrate is most suitable for materials with PH value of 7~9.
2, photochromic material light fatigue is caused by excessive exposure to ultraviolet light (UV light) and high humidity, it is recommended to add light absorbers and antioxidants to increase the resistance to light fatigue.
3, the additives used in photochromic materials (antioxidants, heat stabilizers, ultraviolet (UV) absorbers and inhibitors) can improve the resistance to light fatigue, but the proportion of additives is based on the medium used, the wrong proportion will accelerate the occurrence of light fatigue.
4, photochromic materials do not contain harmful substances harmful to the human body, in line with safety toys and food packaging standards.