Our reflective glass powder is made of tiny glass beads that are sand-like in texture. The powder is used as a coating to create reflective markings for roads, highways, streets, curbs, concrete, parking lots, airports, driveways, pavement marking tape and more. These glass beads can either be applied to freshly painted surfaces or it can be used with a line striping dispenser to be applied with the paint. These beads can be applied to water based paint, oil based paint, alkyd coatings, hydrocarbon thermoplastic, methylmethacrylate, and epoxies . Simply sprinkle the glass bead powder over the paint or coating while wet while allowing the beads to sit on top of the coating. Do not cover the beads with your coating or reflectivity will not occur. You can also follow the instructions on your pavement marking equipment. Let dry completely before use. Use sparingly, and clean up excess or spills immediately to prevent slip hazard. Approximately 5 pounds of reflective glass powder will coat 1 gallon of paint. Satisfaction Guarantee - Free 30 Day Returns. For arts & crafts, these beads can be used to create reflective effects in mixed media applications.