1.52 Index HR Glass Beads

1.52 Index HR Glass Beads

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Detailed introduction

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

Typical Sizes (Passing Rate)

Micron

LSKB30

LSKB40

LSKB50

LSKB60

3350




100

2360



100

95-100

2000


100

95-100

80-95

1700

100

95-100

80-95

10-40

1400

95-100

80-95

10-40

0-5

1180

80-95

10-40

0-5

0-2

1000

10-40

0-5

0-2


850

0-5

0-2



710

0-2





1.52 Index             1.6 Index              1.7 Index               1.8 Index


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