Product Overview
Mullite insulation refractory special-shaped bricks are high-grade refractory materials that combine high strength, excellent thermal insulation properties, and outstanding high-temperature stability. This product is manufactured using selected high-purity mullite as the main raw material, supplemented by a unique microporous structure design, and formed through precision molding and high-temperature sintering processes. It integrates the superior high-temperature mechanical properties of traditional mullite materials with the low thermal conductivity of new lightweight insulation materials, making it an ideal choice for optimizing kiln structure and achieving energy saving and consumption reduction. As special-shaped bricks, we can provide precise customization services according to your kiln design to ensure perfect installation and optimal performance.
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Core Advantages
The company conducted a competitive advantage analysis to identify its strengths and weaknesses compared to its rivals.
High Efficiency and Energy Saving
Extremely low thermal conductivity effectively reduces heat loss from kilns, significantly lowers energy consumption, and improves thermal efficiency.
High-Temperature Stability
The mullite crystal structure is stable, offering high refractoriness (>1790°C) and good reheating linear change, ensuring no deformation during long-term use at high temperatures.
Lightweight and High Strength
Compared to traditional refractory bricks, it has a lower bulk density, reducing the load on the kiln, while possessing sufficient mechanical strength to withstand structural stress.
Excellent Thermal Shock Stability
Can resist thermal stress caused by kiln start-stop cycles or sudden temperature changes, with strong spalling resistance and long service life.
Typical Applications
This product is particularly suitable for key parts of high-temperature industrial kilns requiring high thermal insulation performance:
Petrochemical Industry: Linings for ethylene cracking furnaces, hydrogen reformer furnaces.
Ceramic Industry: Crowns and cars of roller hearth kilns, tunnel kilns, and checkers.
Steel Industry: Permanent linings and insulation layers for hot blast stoves, ladles, and tundishes.
Glass Industry: Breast walls and upper structures of regenerators in glass melting furnaces.
Special-shaped structures for various industrial furnaces such as furnace doors, sight holes, and burner blocks.
| Item | Unit | LM-MLS-126 | LM-MLS-130 | LM-MLS-135 |
|---|---|---|---|---|
| Classification Temperature | °C | 1260 | 1300 | 1350 |
| Al₂O₃ Content | % | ≥ 52 | ≥ 56 | ≥ 60 |
| Fe₂O₃ Content | % | ≤ 1.0 | ≤ 0.8 | ≤ 0.7 |
| Bulk Density | g/cm³ | 0.8 - 1.0 | 1.0 - 1.2 | 1.2 - 1.4 |
| Cold Crushing Strength | MPa | ≥ 3.0 | ≥ 5.0 | ≥ 8.0 |
| Thermal Conductivity (Avg. 350°C) | W/m·K | ≤ 0.25 | ≤ 0.28 | ≤ 0.32 |
| Permanent Linear Change (×2h) | % | 1350°C: ≤ -0.5 | 1400°C: ≤ -0.5 | 1450°C: ≤ -0.5 |
Note: The above are typical product data. We support product performance adjustment and customization according to your specific working conditions.
Customization & Services
We understand that standard products cannot meet all needs. Luming Company provides comprehensive customized solutions for special-shaped bricks:
Customization from Drawings:
Provide clear drawings (including dimensions, tolerances), and we are responsible for realization.
Technical Collaboration:
Our engineers can assist you with brick design and optimization.
Rapid Response:
Provide efficient and professional full-process tracking service from inquiry to delivery.
Packaging, Storage & Transportation
Packaging
Packaged using high-strength stretch film and reinforced wooden pallets to ensure the integrity and stability of the goods during transportation.
Storage
It is recommended to store indoors in a dry, ventilated place, protected from rain and moisture.
Transportation
We cooperate with professional logistics companies to ensure safe and timely delivery of goods.
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