


Apparent Porosity: ≤17%
Bulk Density: ≥2.55 g/cm3
Cold Crushing Strength: ≥60Mpa
0.2Mpa Refractoriness Under Load T0.6: ≥1580℃
Permanent Linear Change On Reheating (%) 1500℃X2h: 0~+0.4
Thermal Shock Resistances 100℃ water cycles: ≥18
Mullite brick IS characterized by good high temperature resistance and good thermal shock resistance, whick comes into being mullite through calcine with clay, high alumina materials and ceramics.
▶ The main applications are:
Sulfuric cracking furnace;
Fibrous glass furnance.
▶ Specifications:
Low permanent linear change on reheating;
Good Thermal Shock Stability;
High dense structure.
▶ Advantages:
High quality;
chemical corrosion- resistance.
| Item | ZS-64 |
| ZrO2 (%) | ≥64 |
| SiO2 (%) | ≤34 |
| Fe2O3(%) | ≤0.5 |
| Apparent Porosity (%) | ≤20 |
| Bulk Density (g/cm3) | ≥3.6 |
| Cold Crushing Strength (Mpa) | ≥100 |
| 0.2Mpa Refractoriness Under Load T0.6 (℃) | ≥1630 |
| Pyrometric Cone Equivalent S.C. SK | 40 |
| Reversible Thermal Expansion 1000℃ (%) | 0.5 |
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