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.
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Composition |
TiO2—BaO—SiO2. Glass |
|
Refractive Index |
1.93±0.01Nd |
|
Specific Gravity |
4.1±0.2g/cm3 |
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Color |
Silver grey |
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Form |
with aluminum |
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Size |
25-35um,35-55um,55-75um |
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Roundness |
≥95% |
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Opacity |
≤1% |