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Glow Inc.

Ultra Blue Glow in the Dark Sand


Ultra Blue Glow in the Dark Sand


Product Description

Sand is a very large particle Ultra Blue Glow in the Dark Powder.  It's glow color is actually a  blue-green, also known as turquoise.  It can be used in a variety of  mediums including plastic, paint, fiberglass, concrete, wax, and gel.

Brightness and Duration

Ultra Blue Glow in the Dark Powder, although not as bright as its Green  counterpart, is still an extremely bright glow in the dark pigment.  It is  5 times brighter than the popular green 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 Blue Glow Powder 9416 3460 1700 1205 922 746 626 538 471 417 375 350 175 113
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 Blue Glow Powder 83 63 52 24 13 10 8 6 6 6 6 3 3 2
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 lose 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  charge.  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 Blue Glow Powder actually glows a blue-green color, also known as turquoise.  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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