一、变色原理：
感光变色材料经阳光/紫外线照射后、而产生颜色变化；当失去阳光/紫外线后会还原回原本的颜色。

二、基本4色：紫色、红色、蓝色、黄色。（无色变有色）

三、基本色之间的互配

光变浆Optical variable paste

1、属于水性浆，外观白色，广泛运用于印花领域。

Belong to the aqueous slurry, white appearance, widely used in printing field

2、印刷方式：只能做普通丝印

Printing: can only do ordinary printing

3.适印材质：布料上，T桖布、涤纶和尼龙等

Optimum printing material: cloth, T-shirt cloth, polyester and nylon, etc

4、直接加水稀释，一定要搅拌均匀。

Water directly, it must stir to mix well

5、不能长期保存，现调现搅现用

Can't long-term preservation, brewed presently active

6、 储存:应密封，阴暗。干燥保存，避免阳光直射。

Storage: should be sealed, dark. Dry preservation, avoid direct sunlight.

7、变色类型是无色变有色，有色变有色。

Color type is colorless, change color, color change color

8、感光变色粉基本颜色有：红黄蓝紫，绿，橙，灰，天蓝

Photosensitive variable toner basic colors: red, yellow, blue purple, green, orange, gray, sky blue

9、有色变有色的颜色：黄变橙、黄变红、黄变绿、黄变紫，蓝变紫

The color of the color change color: yellow orange, and yellow change yellowing red, yellow, green, purple, blue and purple

10、干燥方式：自干

Dry way: since the dry

11、印刷背景建议使用白色或者浅白色系，提高颜色变化的差异度

Print background it is recommended to use white or plain color, improve the difference degree of color change

12、一般使用寿命是4000-8000次的变色次数（正确存储和使用的情况下）

The service life of the general is 4000-8000 times the number of color (correct storage and use cases)