Complaint
| Projet | Quality | |
| Chemical Compsition | Silica (SiO2) | >72% |
| Calcium(CaO) | >8% | |
| Magnesium(MgO) | <14% | |
| Alumina(AlsO3) | 0.5-2.0% | |
| Iron(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 |
| Hardness | 6-7MOHS;46 HRC |
| Microhardness | >650kg/cm3 |
| Circularity | Round rate of >95% |
| 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 |
