Complaint
| SiO2 | Al2O3 | Fe2O3 | Na2O+K2O |
| 45%-55% | 40%-50% | 0.8%-1.0% | 0.2%-0.5% |
| NO. | Projects | Technical indicators |
| 1 | The average fiber length | 1.0-3.5mm |
| 2 | The average fiber diameter | 2.0-4.0 microns |
| 3 | Fiber Distribution | 40# 30-40% 60# 40%-60% |
| 4 | Heat shrinkable | <4%(1500 ºC /8H) |
| 5 | Slag content | <4% |
| 6 | Fiber moisture | <1.5% |
| 7 | Refractoriness | >1700ºC |
| 8 | Work temperature | -80-1200ºC |
