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Glass bead for road marking |
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Product Introduction
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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 parallely. So the driver can look at the road clearly and drive safely at night. |
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Product Specification |
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The main products:
1.No.1-3 beads size distribution according to JT/T 446-2001 Standard of Chinese TraffiMinistry. |
Table 1 Glass bead Size Distribution (JT/T446-2001 International Standard)
Item |
Glass bead size scope(¦Ìm) |
Glass bead quality percentage(%) |
1 |
>850 |
0 |
850-600 |
5-30 |
600-300 |
30-80 |
300-106 |
10-40 |
<106 |
0-5 |
2
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>600 |
0 |
600-300 |
40-90 |
300-150 |
5-60 |
<150 |
0-5 |
3 |
>212 |
0 |
<90 |
0-4 |
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2.Products according to international standard include: BS6088, EN1423&EN1424, AASHTO, JIS R3301, AS/NZS 2009:2002, KS, etc.
3.You can choose different size glass bead between 50¦Ìm-1180¦Ìm according to different funcition.
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Technical references |
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Appearance: Colourless 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%
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Package |
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1.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.
2.Using double-deck package, the inner is polythene fim 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.
3.According to clients' requirement. |
comparison table of international standard sieve size and mesh.
Standard sieve size(¦Ìm) |
Standard Mesh |
1180 |
16 |
850 |
20 |
600 |
30 |
425 |
40 |
300 |
50 |
212 |
70 |
180 |
80 |
150 |
100 |
106 |
140 |
90 |
170 |
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