fluorescent paint - automaticly glow in black lights?

topic posted Mon, October 12, 2009 - 9:08 AM by  Sierra
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Michael’s doesn’t have fluorescent glow in the dark paint - red, blue ect.... They have only the standard green. Someone at Michael's said fluorescent paint will glow under black lights... is that correct? I don't want to waste over $10 for paint I may / may not use again.
posted by:
Sierra
Los Angeles
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  • Most Glow in the Dark paints use heat processed zink sulfide. The stuff absorbs regular light and re-radiates or glows at 5600 angstroms which is a light lime green. It doesn't take to colorants very well ya gotta be sparing with any pigments cause they'll just cover it up. Only translucent colors work and the mix had to take into account the color of the light that the stuff produces.

    I've tried using glow sticks but it doesn't work into paint very well, ya can't use any pigments, and the glow dissipates when the chemical exchange is over.

    Fluorescent paints are meant to respond under black lights. But then so many things do. Put cold cream on your face and hit it with black light. EEEK!!!



  • Fluorescent paint reacts to long-wave ultraviolet (UV) radiation, commonly known as black light. Through the mechanism of fluorescence, UV-sensitive pigments present in the paint absorb black light and give off visible light in return.
    There are two basic kinds of fluorescent paint: visible and invisible. Visible fluorescent paint can appear any bright color under white light, and glows brilliantly under black light. Invisible fluorescent paint appears white or clear under white light, but glows a particular color—depending on the pigment used—under black light.

    Also check Joann's and Arron Brothers, you can often find fabric paint...


    Not to be mistaken for Phosphorescent paint


    Phosphorescent paint is commonly called "glow-in-the-dark" paint. It is made from phosphors such as silver-activated zinc sulfide or, more recently, doped strontium illuminate, and typically glows a pale green to greenish blue color. The mechanism for producing light is similar to that of fluorescent paint, but the emission of visible light persists for some time after it has been exposed to light. Phosphorescent paints have a sustained glow which lasts for some minutes or hours after exposure to light, but will eventually fade over time.

    This type of paint has been used to mark escape paths in aircraft and for decorative use, such as "stars" applied to walls and ceilings. It is also increasingly used as an alternative to radio-luminescent paint.

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