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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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