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- Contact Person : Ms. Ma Yudan
- Company Name : Zhengzhou Sunrise Technology Co., Ltd.
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- Address : Henan,Zhengzhou,NO 36 Fengchan Road zhengzhou Henan China
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zirconia Mullite Brick for furnace
Product Detailed
Related Categories:Refractory
zirconia Mullite Brick:
1.Low thermal conductivity
2.High hot compressive strength
3.Perfect Energy saving
zirconia Mullite Brick 1.Low thermal conductivity 2.High hot compressive strength 3.Perfect Energy saving
Physical and chemical index
Item | ZM-17 | ZM-20 (Zirmul) | ZM-25 (Vista) | |
Chemical composition | Al2O3 | ≥70 | ≥59 | ≥57 |
ZrO2 | ≥17 | ≥19.5 | ≥25.5 | |
SiO2 | ≤12 | ≤20 | ≤14.5 | |
Fe2O3 | ≤0.5 | ≤0.5 | ≤0.5 | |
Apparent Porosity% | ≤17 | ≤17 | ≤17 | |
Bulk Density g/cm3 | ≥3.15 | ≥2.95 | ≥3.15 | |
Cold Crushing Strength Mpa | ≥90 | ≥100 | ≥120 | |
0.1Mpa Refractoriness Under Load T0.6 °C | ≥1650 | ≥1650 | ≥1650 | |
Permanent Linear Change On Reheating (%)1500°CX2h | ±0.3 | ±0.3 | ±0.3 | |
20-1000°C Thermal Expansion % (x 10-6) | 0-0.6 | 0-0.6 | 0-0.6 | |
Thermal Conductivity(Average 800°C) W/(M.K) | ≤2.19 | ≤2.19 | ≤2.1 | |
Pyrometric Cone Equivalent °C SK | 31 | 31 | 31 | |
zirconia Mullite Brick for furnace
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