At present, China's industry standard stipulates that the softening point of hot-melt marking coating is 90-125 degree softening point, which is a qualified coating. In the summer of 2017, the ground temperature is up to 75 degrees centigrade. If your marking paint is about 90 degrees soft, there will be a lot of problems.

1. Poor anti fouling and easy to blacken

2. The glass bead is all pressed into the interior of the marking line

3. Poor wear resistance,

4. The thickness of the marking line is not up to standard

5. Shedding of glass beads

6, the marking line is not reflected

Therefore, in summer, the temperature is high and the marking is soft.

Choose the right raw material and improve the marking hardness without losing the toughness.