Some instructions and thoughts about the Colored Glow in the Dark stickers:
Please read it carefully if you will or did buy them!
If you will buy this product, at first, you will see that the stickers are really thick, and we have cut the small stickers really close to each other. The reason is that the sticker material is really expensive, so we wanted to save as much material as we can, to make it as cheep for our shop as it is possible.
After you have applied them we suggest to let the glue dry for 10-20 minutes. Otherwise the stickers may can move during turning the puzzle.
The producer of the material say that the sticker material is:
- Non-Toxic.
- Non-radioactive
- Environment friendly
- Lead and phosphorous free
We believe that all the above is true, but still we advice not to give it to children, who may can eat the stickers, and always handle the puzzle carefully, and wash your hands after usage.
We have tested the light emitting capability of the stickers, and we must say that they are really impressive!
The glow of the yellow color is the best as well as the Green
The orange, white (what glows in sky blue) and blue color's glow start to fades after 1/2 hour, but the glowing is still visible after 5 hours.
The glow of the red fades really fast ~1-2 minutes, but the dark red glow remain for many hours (5+ or more).
If you are familiar with the light emitting unit „candela per square meter” (cd/m2), the following table may give you a hint of the luminescence of the different colors:
|
Color in daylight |
Glow color |
Luminescence after |
Luminescence after |
||
|
10 min |
60min |
||||
|
Off-white |
Sky-Blue |
40 |
cd/m2 |
6 |
cd/m2 |
|
Yellow |
Yellow |
100 |
cd/m2 |
15 |
cd/m2 |
|
Orange-Red |
Orange-Red |
52 |
cd/m2 |
12 |
cd/m2 |
|
Red |
Red |
51 |
cd/m2 |
10 |
cd/m2 |
|
Blue |
Blue |
40 |
cd/m2 |
6 |
cd/m2 |
|
Green |
Green |
80 |
cd/m2 |
15 |
cd/m2 |
For comparison, Typically, calibrated monitors should have a brightness of 120 cd/m2.
While LCD monitors have a typical luminances of 200 to 300 cd/m2
We hope that you will enjoy the play with these stickers!
