Photochromic Ink

       Photochromic ink is color change after the sunlight, the more visible light color change, the more obvious, ink change back in the shade of ink.
1. 7 Basic color: 

2. The ink properties: oil/water.
3.  Available printing: silk screen printing, offset printing, gravure printing,
4. Suitable substrate: screen printing, offset printing, transfer printing, pad printing, spraying, etc., (paper, cloth, metal, glass, ceramic, plastic).
5. Application: anti-counterfeit labels, wine packaging anti-counterfeiting, cigarettes, food, beverages, pesticides and other brand-name products of special packaging printing.
6. usage/matters needing attention:
1), dry way: (dry, dry, UV curing), available when using the corresponding thinners dilution. (also can be customized water-based ink and diluted) printing background it is recommended to use white or plain color, can improve the difference degree of color change.
2), selection screen: mesh size in the range of 150 mesh to 200 mesh.
3), storage: photosensitive color ink seal should be stored in an airtight and dry, and the shadows, avoid direct sunlight.
Toxicity and safety: photosensitive color ink has slight irritation to skin and respiratory tract, handling should be closed, the environment when printing operations should maintain good ventilation. After ink completely dry, will not have any odor or irritating, conform to the safe toys and food packaging specifications benchmark.