The insulating soft fire brick sold by Kerui has excellent thermal insulation properties. Therefore, our soft insulating fire brick has a wide range of applicability in high-temperature industrial applications. Choosing the right model and size can ensure the stable operation of your kiln. Contact us and we will recommend the most suitable insulating soft fire brick for your kiln!
Kerui Top 5 Best-Selling Insulating Soft Fire Brick
Kerui’s 5 insulating soft fire bricks have different materials and technical characteristics. Each soft refractory brick has specific advantages and uses. They can meet the insulation needs of various kilns, furnaces and heat treatment equipment. The following is a detailed introduction to these 5 insulating bricks.
| Name | High Alumina Insulation Brick | Fire Clay Insulation Brick | Mullite Insulation Brick | Alumina Bubble Brick | Silica Insulation Brick |
 |
 |
 |
 |
 |
|
| Main Content | ≥48% Al2O3 | 30%-46% Al2O3 | 40%-77% Al2O3 | 90%-99% Al2O3 | ≥91% SiO2 |
| Bulk Density | 0.5-1.2g/cm³ | 0.5-1.5g/cm³ | 0.5-1.35g/cm³ | 1.3-1.9g/cm³ | 1.0-1.2g/cm³ |
| Thermal Conductivity Coefficient | 0.2-0.55 W/(m·K) | 0.23-0.65 W/(m·K) | 0.18-0.56 W/(m·K) | 0.9-1.2 W/(m·K) | 0.55-0.7 W/(m·K) |
| Cold Crushing Strength | 1.0-4.5 MPa | 0.8-6.0 MPa | 0.9-3.5 MPa | 6-18 MPa | 2-5 MPa |
| Advantages | Good Chemical Resistance | Cost-Effective | High Refractoriness | High Strength | Good Acid Resistance |
Size Selection of Insulating Soft Fire Brick
The most common standard size of soft fire bricks is T-3 (230×114×65mm). According to the size specifications, we divide them into general insulation bricks and special-shaped insulation bricks. General size means that during construction, other sizes of insulation bricks can be used to complete the masonry of the kiln insulation layer. Reasonable refractory fire bricks and insulation bricks will make the kiln lining more tightly built.
Kerui soft fire brick for sale also includes the sizes of wedge-shaped and some special-shaped bricks. You can choose the size of lightweight insulation bricks according to the commonly used sizes and the structure of the actual part of the kiln. The specifications and sizes of Kerui’s general soft insulating fire bricks are as follows. If you have special requirements for the size and shape of insulation bricks, you can contact us directly for customization.
- 230×114×65mm
- 250×123×65mm
- 230×150/120×75mm
- 230×150/110/135×75mm
- 345×150/130×75mm
Benefits of Kerui Insulating Soft Fire Brick for Kilns
Reduce Heat Energy Loss
Kerui soft insulating fire brick has extremely low thermal conductivity, which can effectively reduce heat loss. By reducing heat loss, the kiln can reach the operating temperature faster. Our insulation brick ensures that the kiln can continue to operate with lower energy consumption.
Extend the Service Life of the Kiln
Kerui soft refractory brick has good thermal shock resistance. This can effectively prevent thermal stress caused by temperature changes inside the kiln. This also reduces downtime and maintenance caused by equipment damage.
Improve Kiln Safety
Our soft fire brick for sale has strong high temperature resistance and fire resistance. This avoids safety accidents caused by cracks or damage to the insulating refractory brick body. Choose Kerui’s insulating fire brick, which provides a strong guarantee for the safe operation of the kiln.
The Services That Customers Buy Insulating Soft Fire Brick
Flexible Adaptation to Special Working Conditions
Kerui’s insulation bricks can adapt to extreme working conditions such as high temperature fluctuations and thermal shock. For enterprises that need to adjust temperature or cope with rapidly changing working conditions flexibly, the solutions provided by Kerui provide great protection.
Full Technical Support
Kerui provides full technical support from product selection, installation and commissioning, operation training, etc. We aim to help customers solve technical problems encountered during use. Cooperation with Kerui can ensure the smooth and efficient operation of the kiln production line.
Globally Recognized Quality Assurance
Our refractory products are exported to Russia, South Korea, Indonesia, Canada, Turkey and other countries, and have won unanimous praise from customers. For customers, choosing a brand that is well recognized by the market can bring them more stable product quality and high-quality service guarantees.
Strong Customer Support Network
Kerui has established a complete customer support system worldwide. Customers can get timely after-sales service in any region. When you choose Kerui, you can feel more at ease and worry-free. See more services and refractory products on Pinterest.
