Glow in the dark powder vs Fluorescent powder, What is the difference?

Luminous powder is also called fluorescent powder, right? They are the same, just called differently, right?
Jeff.Chen
Jeff.Chen

Bachelor's Degree in Materials Science and Engineering, Hubei University of Technology

Firstly, glow in the dark powder is not fluorescent powder. They are two completely different materials.

Glow in the dark powder is also called fluorescent powder, right? They are the same, just called differently, right?

Firstly, Glow in the dark powder is not fluorescent powder. They are two completely different materials.

Fluorescent substance can absorb visible and UV light, and transform the ultraviolet fluorescence previously imperceptible to human eyes into visible light of certain color. Light intensity reflected by it is higher than that of ordinary colored substances.

Under natural light conditions, whether it is dawn, dusk, fog, or projection, the luster on fluorescent powder is always much more visible than traditional luster, and can therefore attract people’s attention earlier and faster.

Such powder now covers a wide range of fields, including supplies and toys for children, modern art, arts and crafts, car spraying, and fashion.

Photoinduced energy storage glow in the dark powder, or luminous powder, can store light energy after exposure to illumination from natural light, fluorescent lamp, UV light, etc. When the illumination disappears, it will slowly release the stored energy to show its luminous effect, i.e., it absorbs light in the daytime and releases light in the dark night.

In real life, people have made weak illumination sources with the long-term luminous effect of the said powder, for special applications in military departments. This material is applied to various switch signs on aviation instruments, clocks, windows and machines, on door handles, etc.

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