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Screen Security Photochromic Solar Sensitive Ink
Screen Printing Photochromic Ink is wide use in many security area:like security pacakge,UV test card,cloth printing ect. Solar sensitive ink are not colorless or without imprinting. On pure white paper, even if completely transparent and colorless varnish is printed, there will be visual differences due to the difference in refraction and reflection coefficients of the paper and varnish, resulting in the difference between oil stains and the brightness of the paper surface. The invisible effect is better in the following situations: (1) Printed on rough and absorbent paper; (2) Printed next to line text, etc.
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30 Degree Reversible Temperature Sensitive Ink
Temperature sensitive ink is also known as thermochromic ink, thermosensitive ink or temperature indicating ink. Temperature dependent inks can be divided into three types: 1. Display a specific color at room temperature. After heating, the color will disappear and become colorless. After cooling, it will return to the original color immediately. It's a reversible, colorless to color, temperature sensitive ink 2. it is colorless at room temperature, and becomes another color after heating. After cooling, it will return to the original colorless color. Because of its reversible change process, it is called reversible colorless to colored temperature change ink. 3. The ink displays one color at room temperature and changes to another color after heating. Because the change process is reversible, it is called "reversible temperature change to color ink";
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