Glow in the dark powder is insoluble in water

The glow in the dark powder is a solid powder that is fired at a high temperature, containing alumina, strontium carbonate and other water-insoluble ingredients. Ordinary glow powder will gradually hydrolyze in water and become white and lose its luminous effect, The effect of soaking waterproof luminous powder in water is the same as that of sand soaking in water and it will not dissolve in water.

There is also a kind of glow powder, the appearance is as fine as flour, we call it superfine glow powder, and it can also be waterproof. Comparing the two glow powders together, their particle size is different.

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