For high quality insulation refractory or light weight working layer
in high temperature furnace
INTRODUCTION&SPECICATION
Grain Size
| Items | Unit | Index | |
| Chemical composition | Al2O3 | % | 99.00min |
| SiO2 | % | 0.20max | |
| Fe2O3 | % | 0.15max | |
| Na2O | % | 0.25max | |
| Refractoriness | ℃ | 1800min | |
| Packing density | g/cm3 | 1.0max | |
| ＞0.20mm | 80%min | ||
| ≤0.20mm | 10%max |