Glow In The Dark Rocks Glass Aggregate - Photoluminescent

Glow In The Dark Rocks Glass Aggregate - Photoluminescent Expressions LTD Glow Rocks are made of Glass. Glass is for concrete. There are cheaper products on the market made of resin instead of glass. Resin expands and contracts when hot/cold. Things that expand and contract in your concrete are not good... Our Glass product doesn't shrink, doesn't swell in the heat, is non toxic, and can be polished just like any aggregate. Our Glow Glass aggregate has been used in thousands of projects, all around the world- Countertops, Pool Decks, Sidewalks, Steps, Firepits are some of the more common applications. Photoluminescent materials (commonly called "glow-in-the-dark") has the ability to absorb light (sunlight, fluorescent, incandescent, etc) and then to emit light. When ambient darkness occurs, it becomes highly visible, lasting at least 8 hours, and up to 20 hours. Upon removal of the light source, the stored light is gradually released, the strongest glow is produced during the first 30