Aluminum coated glass bead with Refractive nd 1.93,Aluminum coated glass bead is used for road signs,traffic safety goods and reflective printing ink, screen printing etc.
Composition |
TiO2—BaO—SiO2. Glass |
Refractive Index |
1.93±0.01Nd |
Specific Gravity |
4.1±0.2g/cm3 |
Color |
Silver grey |
Form |
with aluminum |
Size |
25-35um,35-55um,55-75um |
Roundness |
≥95% |
Opacity |
≤1% |