... powder, long after glow with high luminous. Suitable for signs, arts, etc. Photo luminescent pigment, photo luminescent powder, long after ... glow with high luminous. Suitable for signs, arts, etc.Photo luminescent pigment, photo luminescent powder, glow in ... to human and environment.Application: For brush paint, thermoplastic signs, arts, toys, etc. Dosage range: 5~50% by weight according ...