The substance in the flash pen glows as the light source, and the stupefied shape in the pen reflects and refracts the light source, making the whole pen flash. There are reflective materials in his composition, which refract natural light.

The most important function is that when copying a document marked with a flash pen, you can't see that it has been marked. Fluorescent pen has fluorescent agent, which will produce fluorescent effect when it meets ultraviolet rays (such as sunlight, fluorescent lamp and mercury lamp), and emit white light, thus making the color look dazzling fluorescent.

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Matters needing attention in safe use of flash pen

1, flash pen can't be mixed with chalk.

2. The pen tip should not be dipped in water, and other liquids should not be filled in the pen.

If the handwriting is left on the board for too long, you can wipe it with a wet towel.

4, inedible, do not be close to the fire source.

5. Cover it after writing and keep it properly to prevent volatilization.

Positive manufacturers are meticulous about the production of fluorescent plates. As an auxiliary facility of fluorescent board, fluorescent pen has also undergone continuous inspection and testing to ensure quality problems.