Supply glass beads for road marketing

MICRO GLASS BEADS 6088A

CHEMICAL ANALYSIS (%)

Chemical Composition

Sio2

Al2O3

CaO

MgO

TiO2

Na2O3,K2O

B2O3

Soad Lime Glass Beads

70-73

0.8-1.0

7-12

1.0-4.5

-

13-15

-

Appearance:    Clean, transparent, no obvious impurity

Refractive index: 1.5

Density 2.4 – 2.6 g/cm3

SiO2 content 70 %

Roundness: see tables below

 

Specification of Class A

 :  Partical size distribution, roundness and defects

BS6088 CLASS A

Sieve

% Retained

Spherical Beads%

Defective Beads %

1180µm

0-3

>70

<30

850µm

5-20

425µm

65-95

<425µm

0-10

 
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