All Glow Glass Frit is hand made, crushed, sorted, washed, and sifted.
Glow-in-the-dark Frit can be used in lampworking, beadmaking, fusing, and many other DIY projects and hobbies.
They are compatible with all soft glass: COE 90
Glow Glass Powders are non-toxic, non-radioactive and non-carcinogenic. Charged by shining light on them. Any light for about one minute will give short term glowing. Strong sunlight for about one hour will charge the glass long enough to glow for hours.