Nowadays, glow in the dark pigment is widely used in various fields, such as plastic, coating, ink, glass, etc. However different usages may apply different types of the pigment. How to choose a suitable one? Follow my steps you may get the idea.

Step 1: The particle size
The particle size determines whether you can apply glow in the dark pigments properly. It needs to match the production environment and equipment. For example, if spraying, the particle size should be smaller than the nozzle size of the spray gun. If screen printing, all the particles need to go through the sieve. People will ask, how about we always choose the smallest ones? The answer is No, because the smaller size the weaker brightness. You need to test samples to determine a suitable one.

Step 2: The brightness level

After confirming the particle size, you are suggested to check the brightness of your samples in the real environment instead of asking for Technical Data Sheet only. Technical data is acquired by sophisticated testing instruments and totally dark lab room. The actual circumstance will be different. Also, brightness is a kind of feeling from human being. Everyone will not be the same. Checking samples by yourself is the most important to get satisfied type.

Step 3: Water-based or solvent-based

When natural produced glow in the dark pigment encounters a water-based medium or humid environment, it will hydrolyze and have chemical reaction with white, lumpy, and non-luminous. Water-based coating and resin need to be applied by waterproof glow in the dark pigment. Waterproof treatment is a coating process on natural produced pigment particles, just as a “rain coat”. It effectively blocks the contact between particles and water, providing waterproof protection.

To summarize, discussing the detailed project or production situation with an experienced supplier, and get recommended samples to test, you will get the most suitable and satisfied type of glow in the dark pigment.