Highways Reflective Glass Beads ,Standard Highway Safety Marking Spheres

Highways Reflective Glass Beads ,Standard Highway Safety Marking Spheres

Highways reflective glass beads ,Standard Highway Safety Marking Spheres Production introduction High Reflective Glass Bead is developed for the demands of the international market. All series of glass beads were upgraded to a Crystal Clear Series, which has an excellent appearance. Main...

Product Details

Highways reflective glass beads ,Standard Highway Safety Marking Spheres

Production introduction

High Reflective Glass Bead is developed for the demands of the international market. All series of glass beads were upgraded to a Crystal Clear Series, which has an excellent appearance.

Main features:

1) Excellent appearance, such as clarity, transparency, slightly bluish

2) 90%+ roundness

3) Larger particle for rain line

4) Purity, uniformity of beads itself and coating on the beads

This product is suitable for premix or drop-on of the following:

1) High retroreflective traffic marking

2) Two-component traffic marking paint

3) Thermoplastic traffic marking

4) Water-based traffic paint

Technical references

SiO2

71-74

Specific gravity

2.4-2.6 g/cm3

AL2O3

< 1.8

Refractive Index

1.50-1.52

CaO

6-10

Retroreflective Index 

>500 mcd.

MgO

3-5

Roundness Rate:

90%

Na2O

12-15

Bulk density

1.50-1.60 g/cm3

K2O

< 1

Soften Degree

720-730

Fe2O3

< 0.3

Moh's Hardness

5.5-6.5

SO3

< 0.3



Size Specification: Crystal clear I series - Diameter 0.3 to 0.85 mm (0.012 to 0.03 inch), II series - 0.85 to 1.4 mm (0.03to 0.056 inch)

Country

Specification

China

GB/T247722-2009

USA

Modified AASHTO M247 Type I/II/III/IV/V

Europe

EN1423-1998 ; EN1424-1998

England

BS6088-1981

Japan

JIS R3301

Austrian

AS/N2S 2007 ; AS/N2S 2007 D

Taiwan

CNS4342

Korea

KSL2521

HR(High Reflective Glass Beads)

The Glass Beads are highly reflective 1.5 index glass beads that are 90%+ round. They are made using a unique and revolutionary manufacturing process along with the purest of raw materials.The size of a glass bead can affect retroreflectivity, especially under wet conditions. Larger beads have slightly higher retroreflectivity than standard beads under dry conditions.Retroreflective Index is more than >500 mcd.M-2.1x-1

Specification

Refractive Index

Roundness Rate

Size Range&Cumulative retained

AASHTO M247 TYPE 4

>1.5

>90%

>2.0

1.7-2.0

1.4-1.7

1.18-1.4

1.0-1.18

< 1.0

0%

0-5%

0-20%

40-85%

5-40%

0-5%

AASHTO M247 TYPE 5

>1.5

>90%

>2.35

2.0-2.35

1.7-2.0

1.4-1.7

1.18-1.4

< 1.18

0%

0-5%

0-10%

40-85%

5-40%

0-5%

AS/NZS 2009:2007 D

>1.5

>90%

>1.7

1.4-1.7

1.18-1.4

1.0-1.18

0.85-1.0

< 0.85

0%

0-5%

0-20%

40-85%

5-40%

0-5%

We are one of the leading Roadmarking Glass Beads manufacturers and suppliers in China. If you are interested in our highways reflective glass beads ,standard highway safety marking spheres, welcome to buy the quality glass products made in China from our factory. Cheap and low price and excellent service are available.

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