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Micron glass beads for industrial sandblasting
Product Description
The glass beads,composed of Si,Na and Ca,are broken and calcined by high temperature after which the said microspheres are obtained.The glass beads are used for road marking paints and thermoplastic road marking materials to provide excellent night retro-reflectivity .
Physical and chemical indicators
|
Physical Properties |
Chemical Composition |
||
Shape |
Roundness lorregular |
SiO2 |
70-74% |
Proportion |
2.3-2.5g/cm3 |
Na2O |
12-15% |
Bulk density |
1.5g/cm3 |
CaO |
8-10% |
Moh’s hardness |
6-7 |
MgO |
1-3.8% |
Rockwell hardness |
45HRC |
Al2O3 |
0.2-1.8% |
Refractive index |
1.5-1.7 |
K2O |
0-0.5% |
Rounding rate |
>80% |
Fe2O3 |
0-0.15% |
Our Company
Application
1. Fillers for the plastic / ceramic / refractories
2. Eliminate tensile stress, increase fatigue life and enhance stress corrosion resistance
3.Artwork exterior decoration
4.Mold matte surface treatment of mold surface, graphic production
Product
FAQ
Q: Do you provide free sample?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: Are you a manufacture or trader?
A: We are manufacture+trade
Q: Can you customized package according to customer?
A: We have our own factories and excellent technical team, and we accept OEM service.
Q: How long is your delivery time?
Normally it is within 7-10 days after the advance payment.
Q: Do you receive L/C payment terms?
A: Yes, we do.
Contact us
Tel:+86-15890150757
QQ:492958098
Send Inquiry to This Supplier
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