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Glow Inc.

Ultra Green Glow in the Dark Sand


Ultra Green Glow in the Dark Sand


Product Description

6Sand is a very large particle Ultra Green Glow in the Dark Powder.  It can be used in a variety of  mediums including plastic, paint, fiberglass, concrete, wax, and gel.

Brightness and Duration

Ultra Green Glow in the Dark Powder is the brightest glow in the dark pigment available anywhere.  In its first seconds after charging, it is brighter than the popular Cyalume Glow Sticks.  Ultra Green Glow in the Dark Powder is 10 times brighter than the popular zinc-based glow in the dark products available in most department stores.  Technically, it will continue to glow for days.  But us humans can see it for about 12 hours after a full charge.

Time vs. Brightness Chart

Time 0 min 0.5 min 1 min 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min 20 min 30 min
Ultra Green Glow Powder 25914 6674 4272 2743 1999 1570 1299 1103 954 841 754 708 356 226
Regular Green Glow Powder 1763 433 288 174 126 99 80 68 59 52 46 42 21 13


Time 40 min 50 min 1 hr 2 hr 3 hr 4 hr 5 hr 6 hr 7 hr 8 hr 9 hr 10 hr 11 hr 12 hr
Ultra Green Glow Powder 163 126 102 44 29 19 16 12 11 7 5 5 5 5
Regular Green Glow Powder 9 7 5 2 1 1 0 0 0 0 0 0 0 0

*brightness is measured in mcd/m2, as reported by LS-100 instrument after a  10 minute charge from 1000lx.  

Medium Compatibility

Earth Aluminate pigments are soluble in water and decompose in acid.  This means that they will lose some brightness when mixed into water-based mediums.  Acids will completely destroy their glow.

This still means they are great for solvent, oil, or wax based products.  They even can me mixed into molten glass or plastic.  They can be used in  water-based mediums such as paint and concrete, but they will continue to loose  a small amount of brightness over time until the water fully evaporates.

Other color pigments in the medium will sometimes shield the glow pigments preventing them from charging as fast or glowing as bright.  Therefore, we  suggest clear mediums when possible.

Ultraviolet filters in mediums may block the ability for glow pigments to  harge.  This can both increase charge time or lower brightness depending  on the quantity and quality of the ultraviolet filters.  Most paint  manufacturers will have special order product SKUs for non-ultraviolet filter  versions of their paint.

Warning:  Many customers try to create a "cheap glow in the dark paint"  by purchasing clear paint from a local source and the raw glow in the dark  pigment from Glow Inc.  The majority of these customers end up frustrated.  If you need a paint, then we suggest that you either purchase our premixed  paints or follow the instructions in our how-to articles for specific projects.


Ultra Green Glow Powder actually glows a green-yellow color, also known as  lime.  It is a translucent white when not glowing and visible in a lit room.

Daytime Color, Opacity, Transparency, and Translucence

When mixed into a medium, the Ultra line of products are translucent when in a lit room and glow  brightly after a charge in a dark room.  This means they are almost  unnoticeable during the day when used properly.  Since  the paint does have a slight white tint, it is even more unnoticeable on light or white surfaces.  Thicker applications or those on a dark background will still be translucent, but more noticeable.  There is no such product as a  "daytime transparent" glow paint or pigments as you may have seen advertised.  But the Ultra and our other lines marked "almost clear" are relatively close to  transparent when used properly.  For a more opaque color in a lit room,  consider our "Daytime" series.

Chemical Makeup

The raw glow pigment is: Alkaline Rare Earth Metal Silicate-Aluminate Oxide Europium Doped

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