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News & Events
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Contact Us
Phone: +86 19802598888
Email: fuhao@heavstymarking.com
Address: No. 618, Shangdang North Wind Port, Dantu District, Zhenjiang City, Jiangsu Province, China.
Postal Code: 212121
HR series high retro-reflective glass beads
Classification:
- Details
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Features:
Lightblue transparent glass beads,
Very high roundness via unique technology,
Wide distribution range of sizes from 100μm to 5000μm, Stable refractive index and superior retro-reflectivity,
Reasonable chemical composition and low content of heavy metals. Application Range:
Variety of drop-on for reflective road marking, Variety of intermix for reflective paint,
Drop-on for reflective anti-slip road marking.
Package:
Paper bag,25 kg(551bs)/bag,
1 metric ton super bag(1000kg/bag).
Technical Data
1
Density
2.5±0.1g/m³
2
Mohs Hardness
6.0-6.7 Mohs
3
Elasticity Modulus
7x10⁴Mpa
4
Compressive Strength
700-850 Mpa
5
Softening point
650~720℃
6
Coefficient of Thermal Expansion
90~100×107℃(20-350℃)
7
Specific Enthalpy/Thermal capacity
790~840 J/(kg.K)
8
Refractive Index
1.51~1.52
9
Roundness
>90%
10
Size Range
100~5000 microns
Wide variety sizes of glass beads from 100 to 5 000 microns are available depending on the request.11
Chemical Composition
SiO₂ :70~73%;Al₂O₃ :0.3~1.4%; CaO: 7~10%;MgO:3~4.5%;Na₂O:11~15%;K₂O:0 .3~1.0%; Fe₂O₃:0.02~0.1%;SO₃ :0.1~0.4%.
COUNTRY
STANDARD
China
GB/T24722-2009
Europe
EN1423-1998,EN1424-1998
England
BS6088-1981
USA
MODIFIED AASHTO M247 TYPE I/H/II/IV/V
Japan
JIS R3301
Australia
AS/N2S 2007;AS/N2S 2007 D
Taiwan
CNS4342
Korea
KSL2521
Keywords:
Road marking paint, Road stripping equipment
