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High-Quality Vibrating Cast Sillimanite Blocks from China Suppliers | Reliable Factory for Glass Furnaces
Tank Bottom Sillimanite Block (HL-A-60 TB)
Sillimanite products have properties of good thermal shock resistance, high strength at high-temperatures and high density. They are the first selected super materials for glass furnaces, heating furnaces, chemical kilns and metallurgic furnaces.
Chemical & Physical Indicator
| Item | Behaviors |
|---|---|
| Chemical Composition % | Al2O3: ≥60 |
| SiO2: ≤38 | |
| Fe2O3: ≤1.0 | |
| Physical | Value |
| Apparent Porosity ％ | ≤18 |
| Bulk Density (g/cm3) | ≥2.4 |
| Cold Crushing Strength Mpa | ≥60 |
| 0.2Mpa Refractoriness Under Load T0.6 ℃ | ≥1500 |
| Permanent Linear Change On Reheating 1500℃X2h (%) | ±0.1 |
| Thermal Shock Resistances 100℃ water cycles | ≥20 |
| Thermal Expansion Rate 1000℃ | 0.006 |
All data above are average test results under standard procedure and are subjected to variation. Result should not be used for specification purpose or creating any contractual obligation. For more information on the safety application or materials, please contact with our sales engineer.
Application
Mainly use in the tank bottom 2nd and 3th layers of the M/E & W/E, especially in the Tableware Glass and Bottle Glass Furnace. End fire furnaces and Cross-fire furnace etc.
Sillimanite Rider Arch
This kind of product adopts the natural sillimanite. It provides good structure, good heat stability, and strong rush resisting.
Chemical & Physical Indicators
| Item | A-60 TB | SM-65 |
|---|---|---|
| Al2O3 (%) | ≥60 | ≥65 |
| Fe2O3 (%) | ≤1.3 | ≤1.0 |
| Refractoriness ℃ | ≥1750 | ≥1770 |
| 0.2Mpa Refractoriness Under Load T0.6 ℃ | ≥1550 | ≥1600 |
| Apparent Porosity % | ≤18 | ≤16 |
| Bulk Density (g/cm3) | ≥2.4 | ≥2.45 |
| Cold Crushing Strength (Mpa) | ≥60 | ≥80 |
| Thermal Shock Stability 1100℃ Water cycles | ≥20 | ≥15 |
All data above are average test results under standard procedure and are subjected to variation. Result should not be used for specification purpose or creating any contractual obligation. For more information on the safety application or materials, please contact with our sales engineer.
Advantages
- Enhanced Durability: The vibrating casting process significantly increases the lifespan of the blocks under harsh conditions.
- Superior Heat Retention: High density and low thermal conductivity improve the furnace's energy efficiency by reducing energy loss.
- High Customization: Blocks can be tailored to meet the specific needs of different furnace components.
By choosing vibrating cast sillimanite blocks, glass manufacturers can significantly enhance the performance and efficiency of their furnaces, ensuring high-quality glass production while achieving optimal energy efficiency and structural integrity.
Frequently Asked Questions
What are the primary applications of Tank Bottom Sillimanite Blocks?
They are mainly used in the 2nd and 3rd layers of the tank bottom of M/E & W/E, especially in Tableware Glass and Bottle Glass Furnaces, as well as end-fire and cross-fire furnaces.
What key properties make sillimanite blocks suitable for glass furnaces?
Sillimanite products feature excellent thermal shock resistance, high density, and strong strength at high temperatures, making them premier materials for demanding industrial kilns and glass furnaces.
What is the difference between A-60 TB and SM-65 grades?
The main differences lie in their chemical and physical indicators. SM-65 has a higher Al2O3 content (≥65% vs ≥60%), higher refractoriness (≥1770℃ vs ≥1750℃), and higher cold crushing strength (≥80 Mpa vs ≥60 Mpa) compared to A-60 TB.
How does the vibrating casting process improve sillimanite block performance?
The vibrating casting process enhances durability and significantly increases the lifespan of the blocks under harsh operating conditions.
Can these sillimanite blocks be customized for specific furnace components?
Yes, these blocks offer high customization and can be tailored to meet the specific requirements and designs of different furnace systems.
What are the features of the Sillimanite Rider Arch?
Made from natural sillimanite, the Rider Arch provides a highly stable structure, excellent heat stability, and strong resistance to rushing currents inside the furnace.