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Glass Beads for Road Marking

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unit price: negotiable
min amount:
amount:
period for delivery: Consignment Deadline Days
area: Beijing
Expiry date : Long Effective
last update: 2017-12-11 19:12
view count: 417
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Product details


High Reflective Glass Beads can highly improve the visibility of traffic markings and road signs and provide safer night driving conditions.

Glass beads can be pre-mixed to making of reflective thermoplastic paint or used to be dropped on the freshly stripped paint surface on the road to give immediate enhanced the visibility for driving at night. 


Chemical & Physical Properties

Basic material

SiO2 62%

Shape

Spherical

Color

Clear

Specify gravity

2.4-2.6

Hardness (Moh's )

5.5-6.0

Refractive Index

1.5-1.6


Typical Chemical Contents

SiO2

72.60%

Na2O

13.40%

K2O

0.30%

Ca2

8.02%

MgO

2.80%

Al2O3

0.75%

Free Si

0


Size Distribution

Type

Sieve Size um

Retained by % 

Class A
(Intermix)

1180

0 -3

850

5-20

425

65-95

<425

0-10

Roundness

>70%

Class B
(Drop On)

850

0 -5

600

5-20

300

30-75

180

10-30

<180

0-15

Roundness

>80%

Other sizes can be available according to your requirements.

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