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Zhengzhou Sunrise Refractory Co., Ltd.
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Price: | 700.0 USD |
Payment Terms: | T/T,L/C |
Place of Origin: | Henan, China (Mainland) |
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► Description:
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:
1,Sulfuric cracking furnace
2,Fibrous glass furnance.
► Specifications:
1,Low permanent linear change on reheating
2,Good Thermal Shock Stability
3,High dense structure
► Advantages:
1,High quality;
2,chemical corrosion- resistance
Item | MU 60 | MU 65 | MU 70 | MU 75 | |
Chemical composition | Al2O3 | ≥60 | ≥65 | ≥70 | ≥75 |
SiO2 | ≤35 | ≤33 | ≤26 | ≤24 | |
Fe2O3 | ≤1.0 | ≤1.0 | ≤0.6 | ≤0.4 | |
Apparent Porosity% | ≤17 | ≤17 | ≤17 | ≤18 | |
Bulk Density g/cm3 | ≥2.55 | ≥2.55 | ≥2.55 | ≥2.55 | |
Cold Crushing Strength Mpa | ≥60 | ≥60 | ≥80 | ≥80 | |
0.2Mpa Refractoriness Under Load T0.6 ℃ | ≥1580 | ≥1600 | ≥1600 | ≥1650 | |
Permanent Linear Change On Reheating (%)1500℃X2h | 0~+0.4 | 0~+0.4 | 0~+0.4 | 0~+0.4 | |
Thermal Shock Resistances 100℃ water cycles | ≥18 | ≥18 | ≥18 | ≥18 | |
20-1000℃ Thermal Expansich10-6/℃ | 0.6 | 0.6 | 0.6 | 0.55 | |
Thermal Conductivity (W/MK) 1000℃ | 1.74 | 1.84 | 1.95 | 1.95 |