|
Glass Bead for Road Making
Product Function
Improve the road marking line contrary reflection function. When
driving at night, the lamp shines on the marking line with glass
bead in it, the ray of lamp is reflected back parallelly. So the
driver can look at the road clearly and drive safely at night.
Product Specification
The main products
►No.1-3 beads size distribution according to JT/T 446-2001
Standard of Chinese Traffic Ministry.
Table 1 Glass bead Size Distribution (JT/T446-2001 International
Standard)
|
Item |
Glass bead size scope(μm) |
Glass bead quality percentage (%) |
|
1（DROP~ON） |
>850 |
0 |
|
850-600 |
5-30 |
|
600-300 |
30-80 |
|
300-106 |
10-40 |
|
<106 |
0-5 |
|
2（PREMIX） |
>600 |
0 |
|
600-300 |
40-90 |
|
300-150 |
5-60 |
|
<150 |
0-5 |
|
3（BECKE
LINE） |
>212 |
0 |
|
<90 |
0-4 |
►Products according to
international standard include: English BS6088, Korean KS and
American AASHTO etc.
►You can choose different size glass bead between 50μm-1180μm
according to different function.
Technical references
Appearance: Colorless and transparent ball, no visible bubbles and
impurity.
Spherical beads: ≥80%(600< Sieve size< 850um，spherical beads≥75%)
Density: 2.4-2.6g/cm3
Refractive index: Nd≥1.50
Glass bead composition: The glass bead is made of sodium and
calcium. SiO2＞68%
Package
►Using double-deck package, the inner is polythene film and its
thickness is not less than 0.5mm, the outer is plastic woven bag to
prevent leak or damp. The net weight of each bag is 25±0.2kg.
►Using double-deck package, the inner is polythene film and its
thickness is not less than 0.5mm, the outer is plastic woven bag to
prevent leak or damp. The net weight of each is 1000±8kg.
►According to clients' requirement.
Table 5 comparison table of international standard sieve size and
mesh.
|
Standard
sieve size(μm) |
Standard
Mesh |
|
1180 |
16 |
|
850 |
20 |
|
600 |
30 |
|
425 |
40 |
|
300 |
50 |
|
212 |
70 |
|
180 |
80 |
|
150 |
100 |
|
106 |
140 |
|
90 |
170 |
|
