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Product Details:
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| Product Material: | Natural Sintered Mullite 70% | Al2O3 Content: | 71.5% |
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| SiO2 Content: | 23-29.6% | Bulk Density: | 2.86% Min. |
| Refractoriness: | 1966 Degree Min. | Color: | Grey |
| High Light: | Natural Sintered Mullite,Aluminosilicate Sintered Mullite,Sintered Mullite Small Thermal Conductivity |
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High Temperature Tunnel Kiln Sintered Mullite 47% 60% 70% For All Kinds Of Flame Furnace Lining Work
1. Natural Sintered Mullite Introduction
Mullite (or mullite, aluminum silicate) refers to a series of minerals composed of aluminosilicate.It’s widely used for refractory materials, ceramics, metallurgy, casting, electronics and other industries have the characteristics of high temperature resistance, high strength, small thermal conductivity, remarkable energy-saving effect and the like, and are suitable for lining of petroleum cracking furnaces, metallurgical hot blast stoves, ceramic roller kilns, tunnel kilns, electric porcelain drawer kilns, glass crucible kilns and various electric furnaces.
2. Natural Sintered Mullite Specifications
CHEMICAL PERFORMANCE INDEX
| Chemicals | M80 | M70 | M60 | M47 |
| Al2O3 % | 78-82 | 68-72 | 58-62 | 46-50 |
| Fe2O3 % | 1.6max | 1.5max | 1.5max | 1.5max |
| TiO2 % | 2.50max | 2.50max | 2.50max | 1.0max |
| SiO2% | 12-15 | 22-25 | 35-38 | 44-54 |
PHYSICAL PERFORMANCE INDEX
| Properties | M80 | M70 | M60 | M47 |
| B.D. g/cm3 | 2.85min | 2.75min | 2.65min | 2.58min |
| Water Absorption % | 3max | 3max | 3max | 3max |
| Refractoriness ℃ | 1850min | 1850min | 1850min | 1750min |
3. Natural Sintered Mullite General Advantages
1. Good thermal shock resistance.
2. High-temperature creep is small.
3. Load softening temperature is high.
4. High mullite phase.
5. Volume density high, high hardness.
6. Uniform expansion.
7. Low porosity and High refractoriness.
4. Natural Sintered Mullite Characteristics
5. Natural Sintered Mullite Applications
Mullite are suitable for all kinds of flame furnace lining work, direct contact information with the flame (not contact information melt), other high temperature heat preservation and heat insulation equipment, such as:
1. The preparation of various lightweight refractory castable, spray coating, etc.;
2. Heating furnace, soaking furnace, heat treatment furnace, annealing furnace, ceramic, refractory products sintering furnace, the furnace wall;
3. Steam boiler, oil industry tube furnace, ethane cracking furnace lining;
4. All kinds of industrial furnace door, observation hole lining.
6. Natural Sintered Mullite Particle sizes Available
Size of powder: -200mesh,-270mesh,-325mesh.
Size of particle: 0-1mm,1-3mm,3-5mm,5-8mm, 8-15mm, 0-5mm or as required.
Contact Person: Jason Chen
Tel: 86-18603794999
