Zircon Mullite Brick
Zircon mullite brick selected high quality mullite sand and zircon powder as its main raw material. Molded by high pressure and sintered by high temperature , the zircon-mullite brick has such advantages as high bulk density, high strength, good thermal shock resistance, high temperature erosion resistance and good slag resistance. It is mainly used in long-life orifice rings, tank bottom, tank superstructure, perfume-bottle feeder, covers for working tanks and soda lime glass.
►Advantages
1,High strength
2,Good thermal shock resistance
3,High temperature erosion resistance
4,Good slag resistance
►Applications
The zircon mullite brick is mainly used in long-life orifice rings, tank bottom, tank superstructure, isostatically pressed, electrode blocks, perfume-bottle feeder, covers for working tanks and soda lime glass, etc.
| Item |
ZM-17 |
ZM-20 (Zirmul) |
ZM-25 (Vista) |
ZM-30 |
ZM-11 |
| Chemical composition |
Al2O3 |
≥70 |
≥59 |
≥57 |
≥47 |
≥72 |
| ZrO2 |
≥17 |
≥19.5 |
≥25.5 |
≥30 |
≥11 |
| SiO2 |
≤12 |
≤20 |
≤14.5 |
≤20 |
≤12 |
| Fe2O3 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.3 |
≤0.5 |
| Apparent Porosity％ |
≤17 |
≤17 |
≤17 |
≤18 |
≤17 |
| Bulk Density g/cm3 |
≥3.15 |
≥2.95 |
≥3.15 |
≥3.10 |
≥3.1 |
| Cold Crushing Strength Mpa |
≥90 |
≥100 |
≥120 |
≥100 |
≥90 |
| 0.1Mpa Refractoriness Under Load T0.6 ℃ |
≥1650 |
≥1650 |
≥1650 |
≥1650 |
≥1630 |
| Permanent Linear Change On Reheating（%）1500℃X2h |
±0.3 |
±0.3 |
±0.3 |
±0.3 |
±0.3 |
| 20-1000℃ Thermal Expansion % (x 10-6) |
0-0.6 |
0-0.6 |
0-0.6 |
0-0.6 |
0-0.6 |
| Thermal Conductivity (Average800℃) W / (M.K) |
≤ 2.19 |
≤ 2.19 |
≤ 2.1 |
≤ 2.1 |
≤ 2.19 |
| Pyrometric Cone Equivalent ℃ SK |
31 |
31 |
31 |
31 |
31 |
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