Reflective hot melt marking coating is a kind of paint applied on roads to mark road markings.

Reflective hot melt marking coating is mainly used on highways and expressways above level 2. The thickness of the marking coating drawn by this kind of coating is (1.0～2.5) mm, and the coating is mixed with reflective glass beads and is used for marking. When the surface is sprinkled with reflective glass beads. This kind of marking has good night reflective performance and a long service life. It is estimated according to the demand for various road marking coatings in the construction of large roads with traffic flow. The quality of the reflective hot melt marking coating itself is determined, and it can generally reach ( 2～3) years. The construction of Reflective hot melt marking coating requires special heating equipment. When recoating the old markings twice, the thicker old coating must be removed before applying.

The reflective principle of Reflective hot melt marking coating is formed by reflecting the light from the car lamp by the glass beads in the paint to the driver's eyes. After the vehicle light enters the glass beads, the protruding glass beads on the coating surface are like a reflective element. The light is refracted in the glass beads and reflected back to the direction of the light source on the reflective layer formed by the bottom surface of the glass beads and the paint.