AASHTO M247 Standard Road Marking Glass Microspheres
AASHTO M247 TYPE II
AASHTO M247 TYPE II
Physics and chemistry function
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Item
|
Standard
|
|
Specific gravity(g/cm3)
|
2.4--2.6
|
|
Refractive index
|
≥1.5
|
|
Spherical beads (%)
|
>70
|
The Sieve Analysis
|
Mesh (Micrometer)
|
Percent passing (%)
|
|
600
|
100
|
|
425
|
90-100
|
|
300
|
50-70
|
|
180
|
0 – 5
|
a) Silane or silicon coated glass microspheres available;
b) BS, AS, EN and KS standards glass microspheres can be manufactured too.
- AASHTO M247 EN1423/1424 standard glass microspheres and client's special requirement can be supplied
-CE, ISO, KS, JIS certified
-CE, ISO, KS, JIS certified
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Color
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Colorless and transparent, with no visible bubbles or impurities
|
|
Bulk Density
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1.5-1.6g/cm3
|
|
Specific Gravity
|
2.5
|
|
Grain Shape
|
Round/Spherical
|
|
Solubility
|
Insoluble
|
|
Hardness
|
5.5-6.0 Mohs
|
|
Melting Point
|
730℃
|
Packing details:
These are available in 25kg light quality HDPE bag. Each bag is clearly marked with:
Name & identification mark of manufacturer-HuaDong Brand
Batch number
Date of manufacture
Color - White / yellow
Safe heating & application temperature