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Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
| MOQ: | 1 |
| Price: | NEGOTIABLE |
| Standard Packaging: | PALLET |
| Delivery Period: | 10-15 DAYS |
| Payment Method: | L/C,D/P,T/T |
| Supply Capacity: | 10000 TON/ MONTH |
Lightweight Thermal Insulation Fire Clay Brick
,High Temperature Resistant Refractory Brick
,Low Thermal Conductivity Fire Clay Brick
High Temperature Insulating Fire Clay Brick is a lightweight refractory material manufactured from high-quality refractory clay, alumina materials, and other special additives through molding, drying, and high-temperature firing processes. It delivers excellent thermal insulation performance, low thermal conductivity, high temperature resistance, and stable chemical properties.
This refractory insulation brick is widely used as a thermal insulation lining material for industrial furnaces, kilns, heating equipment, hot blast furnaces, cement kilns, ceramic kilns, and other high-temperature applications. It helps reduce heat loss, improve energy efficiency, and extend the service life of furnace structures.
- Excellent thermal insulation performance and low heat conductivity
- Lightweight structure with high porosity and good energy-saving effect
- High temperature resistance and good thermal stability
- Low heat storage capacity for faster heating and cooling cycles
- Good dimensional accuracy and easy installation
- Available in customized sizes and specifications according to customer requirements
- Material: Fire Clay / Alumina Silicate
- Al2O3 Content: 30%–46% (customizable)
- Working Temperature: 1200℃–1400℃
- Bulk Density: 0.6–1.3 g/cm³
- Shape: Brick / Block
- Size: Standard size or customized
- Application: Industrial Furnace, Kiln, Boiler, Heating Equipment
- Industrial furnace lining
- Ceramic and tunnel kiln insulation
- Cement kiln heat insulation
- Metallurgical furnace backup lining
- Glass furnace insulation
- Thermal equipment insulation projects
- Factory direct supply with competitive price
- Strict quality control and stable performance
- Customized production available
- Suitable for various high-temperature industrial environments
| Brand Properties | SK-40 | SK-38 | SK-37 | SK-36 | SK-35 |
|---|---|---|---|---|---|
| Refractoriness (SK) | 40 | 38 | 37 | 36 | 35 |
| Apparent Porosity (%) | 22 | 23 | 23 | 23 | 23 |
| Bulk Density (g/cm³) | 2.65 | 2.40 | 2.35 | 2.30 | 2.25 |
| Cold Crushing Strength (MPa) | 70 | 52 | 50 | 45 | 40 |
| Thermal Linear Expansion (%) @1000°C | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Permanent Linear Change (%) @1400°C × 2 hrs | ±0.2 | ±0.3 | ±0.3 | ±0.3 | ±0.3 |
| Refractoriness under Load (°C) @0.2 MPa | 1,530 | 1,500 | 1,450 | 1,420 | 1,380 |
| Chemical Composition: Al₂O₃ (%) | 80 | 72 | 60 | 50 | 46 |
| Chemical Composition: Fe₂O₃ (%) | 1.8 | 2.0 | 2.0 | 2.0 | 2.0 |
| Main Applications | Nonferrous Metal Furnace · Rotary & Shaft Kiln · Various Incinerator · Reheating Furnace · Permanent Lining for EAF Ladle · General Industrial Furnace, etc. | ||||
Values are typical and may vary slightly. Customized specifications are available upon request.
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