famous manufacturer; usage: road marking,etc. ; roundness: 82%;

GLASS BEADS FOR ROAD MARKING

Glass bead reflectivity is the most common way of reflecting light. Thousands of small glass beads embedded in traffic paint will cause it to light up when automobile lights hit it. Because of their shape and clarity, each glass bead reflects light back to the source. 

BS 6088A road marking glass beadPhysics and chemistry function

Item	Standard
Specific gravity(g/cm3)	2.4--2.6
Refractive index	e1.5
Spherical beads (%)	>70

The Sieve Analysis

Diameter (¼m)	Standard Retain (%)
>1180	0-3
1180--850	5--20
850--425	65--95
<425	0--10

Note:

a) Glass beads coated or non-coated according to customers' requests;

b) Other standards beads such as EN1423/1424, AASHTO, KS L2521 etc can be produced too.

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high quality reflective road paint glass beads