Reflective Glass Beads

Short Description:

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Details

Tags

HR (High Retroreflectivity) Glass Beads

Diret-Melt Virgin Glass Made


Item


Standard


Appearance


Outer clean and transparent, without visible bubble and impurity.


Density


2.4-4.2 g/cm3


Bulk Density


1.57g /cm3


Roundness


>90%


Refractive Index


1.52,  1.6,  1.7,  1.8 Index


Composition


SiO2 content: 71-74%


Soften Degree


720-730 centigrade


Retro reflectivity


>700mcd/lux/m2


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