It's core of the components, producing reflective fabric, reflective film, reflective paint etc. It owns retro-refractive character, not depending on power, used in road, seaport, mine and fire protection construction. Sign made of glass bead can make the user safe. It can be added into paint or ink, the quantity is 40%-60% weight of paint or ink generally. Please stir uniformity before brushing and spraying. It can also be used in screen printing, using more than 40%-60% weight of dye. Thin printing is better.