Mullite Castable
Application:
Mullite refractory castable is an unshaped refractory material composed of porous mullite aggregate, binder, and various additives. Mullite is a high-quality refractory raw material, and this type of mineral is relatively rare.
Technical Data:
| Item | ML – 70 | ML – 80 | ML – 90 | |
|---|---|---|---|---|
| Maximum service temperature, °C | 1600 | 1600 | 1750 | |
| Al₂O₃ + SiO₂, % | ≥70 | ≥80 | ≥90 | |
| B.D After Drying at 110°C, g/cm³ | 2.70 | 2.80 | 2.90 | |
| Cold Bending Strength, Mpa | 110°C, ×24h: | 10 | 12 | 15 |
| Cold Compressive Strength, Mpa | 110°C, ×24h: | 100 | 100 | 150 |
| Linear Change Rate After Burning PLC, % | 1100°C, ×3h: | ±0.3 | ±0.3 | ±0.3 |
| 1500°C, ×3h: | ±0.5 | ±0.5 | ±0.5 | |
| Construction Reference Water Consumption, % | 4.5 – 5 | 4.5 – 5 | 4.5 – 5 |
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