Glass beads BS6088 for road marking

Glass Beads

 

Glass Beads as per BS 6088 standard is used in Thermoplastic Road Marking material.

 

Gradation - The glass beads shall meet the gradation requirements for the two types as given in Table.

Sieve Size

Percent Retained

BS6088A 

BS6088B

1.18 mm

0 to 3

-

850 micron

5 to 20

0 to 5

600 micron

-

5 to 20

425 micron

65 to 95

-

Below 425 micron

0 to 10

-

300 micron

-

30 to 75

180 micron

-

10 to 30

Below 180 micron

-

0 to 15

Roundness - The glass beads shall have a minimum of 70 per cent true spheres.

Refractive Index - The glass beads shall have a minimum refractive index of 1.50.

Free flowing properties - The glass beads shall be free of hard lumps and clusters and shall dispense readily under any conditions suitable for paint striping. They shall pass the free flow-test.

 

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Comments: 1
  • #1

    https://www.essaywritingland.com/college-essays/ (Thursday, 20 July 2017 13:57)

    I really like the glass bead ornaments. It looks attractive and fashionable when anyone wear it. I have seen the process of making this which is really hard to do.