GTP3700 Royal Purple Premium Grade Photoluminescent Pigments

GlowStop.com's brightest and longest premium grade glow pigments are made from naturally occurring light storing rare earth-alkaline mineral crystals. They are manufactured to the highest standards, of the highest quality, toxicological harmless, free of radioactive additives and can be recharged an infinite number of times. Product Code: GTP3700 Day Color: Off-White Glow Color: Royal Purple  Particle Size Category: Large Grain Size: 45 to 85um Mesh Size: 200 to 300 Afterglow Intensity: Bright Afterglow Duration: Long Brightness Rating: ★★★ Compatibility: Solvent and Aqueous Solutions Incompatibility: High-Temperature Ceramics and Glass Molding Recommended Applications: Sand-sized granules suitable for soap making, concrete dusting, candle making, silk-screening, and other low-temperature applications