Customization: | Available |
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Reflective Material Type: | Glass Beads |
Material: | Glassbead |
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Chinese Standard | GB/T24722-2009 No,1,2,3 | Turkish Standard | TS EN1423 |
Korea Standard | KSL 2521 No. 1 and 2 | Taiwan Standard | CNS |
British Standard | BS6088 Class A and B | Japanese Standard | JIS R3301 |
European Standard | EN1423 and EN1424 | Australian Standard | A,B,C,D |
American Standard | AASHTO M247 type 1 and 2 | New Zealand Standard | NZS2009:2002 |
Project | Quality | |
Chemical composition% | SiO2 | >72% |
CaO | >8% | |
Na2O | <14% | |
MgO | >2.5% | |
Al2O3 | 0.5-2.0% | |
Fe2O3 | 0.15% | |
Others | 2.0% | |
Refractive Index | Nd≥1.5% | |
Density | 2.4-2.6g/cm3 | |
Size distribution | Oversize ≤5% under size ≤10% | |
Wire diameter | 0.03-0.4mm | |
Durability | 3-5 % | |
Hardness | 6-7 MOHS ;46HRC | |
Microhardness | ≥650kg/cm3 | |
Circularity | Round rate of ≥95% |