The characteristic of our Glass beads for road marking is appearance colorless and transparent ball,no visible bubbles.
[Physical reference of The Glass beads for road marking]
Appearance Colorless and Transparent ball,no visible bubbles and impurity
Density 2.4~2.6g/cm3
Roundness >=80%
Refractive index >1.5
Composition Sio2>68%
Color colorless
