Road Marking Glass Beads


Road marking glass beads are the reflective material in road marking (paint), which can improve the retroreflective performance of road marking paint , and enhance the safety of driving at night. They have been recognized by the national traffic departments.When the car is driving at night, the headlight is against the road marking line with glass beads. Then the light is reflected back in parallel, so that the driver can see the direction forward and improve the safety of driving at night.Nowadays, glass beads have become an irreplaceable reflective material in road safety products

 

According to different circumstance, reflective glass beads can be divided into drop on glass beads and premix glass beads. 

Drop on glass beads: Add them to the wet marking paint surface right after road line being marked.

Premix glass beads: Being evenly mixed with road marking paint before marking road line

 

 

Notice:

 According to the paint film thickness, different types of glass beads shall be selected for drop on the surface during construction.

 During the selection of drop on glass beads, it should base on the characteristics of the region and coating, to choose either the coated glass beads, rain night glass beads or highlight glass beads.

During the construction of marking, the round rate of glass beads and the amount of seeding per unit area directly affect the retroreflective ratio of marking. Use high quality and  sufficient glass beads, and choose qualified marking paint.

 

Technology required

1.Appearance:glass beads should be

clean,colorless,transparent,no obvious impurity,no visible

bubble, with smooth surface and round.

2.Roundness:850-600um≥70%, lower than

600um≥80%.

3.Denisty:2.4-2.6g/cm3

4.Refractive index:≥1.50

5.Water resistance:no fog at the surface of glass beads after

heating from boiling water

6.Magnetic particle content:≤0.1%


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