Zirconia MulliteZRM
Description:
ZRM is produced by fusing high purity alumina and zircon sand together in an electric arc furnace. ZRM has low thermal expansion coefficient and excellent thermal shock resistance.
Chemical Composition (wt. %):
| Composition | Specification | Typical |
|---|---|---|
| Al2O3 | 46±3 | 45.46 |
| SiO2 | 18±2 | 18.42 |
| Fe2O3 | 0.3 max | 0.05 |
| MgO | - | 0.06 |
| Na2O | 0.2 max | 0.09 |
| ZrO2 | 37±3 | 36.97 |
| CaO | - | 0.13 |
| K2O | - | 0.09 |
| TiO2 | - | 0.17 |
Physical Properties:
| Property | Specification | Typical |
|---|---|---|
| Apparent Bulk Density (g/㎤) | - | 3.60 |
| Bulk Density (g/㎤) | 3.4 min | 3.50 |
| Water Absorption (%) | - | 0.71 |
| Apparent Porosity (%) | 5.0 max | 2.48 |
Particle Size Distribution:
| Item | Unit | Specification | Typical | |||
|---|---|---|---|---|---|---|
| 2-1 ㎜ | ㎜ | +2.00 | +1.00 | +2.00 | +1.00 | |
| % | 4.5 max | 86 min | 2.59 | 88.94 | ||
| 1-0 ㎜ | ㎜ | +1.00 | -0.212 | +1.00 | -0.212 | |
| % | 4.5 max | 10 - 20 | 0.20 | 17.22 | ||
| 0.60-0.212 ㎜ | ㎜ | +0.60 | -0.212 | +0.60 | -0.212 | |
| % | 9 max | 9 max | 3.39 | 2.80 | ||
| -0.212 ㎜ | ㎜ | +0.212 | -0.075 | +0.212 | -0.075 | |
| % | 9 max | 62-78 | 0.15 | 66.74 | ||