Lightweight ultra-low conductivity mullite fire bricks are a type of high-strength, low-thermal-conductivity refractory material. While retaining the advantages of traditional mullite bricks, such as high-temperature resistance and corrosion resistance, they achieve lightweight and energy efficiency through a large number of uniformly distributed micropores, making them an ideal choice for high-efficiency industrial furnaces.
- Ruitai Lianxin- lightweight mullite bricks
- Ruitai Lianxin- lightweight mullite brick
- Ruitai Lianxin lightweight mullite firebricks
- Ruitai Lianxin- lightweight mullite firebricks
Characteristics of Lightweight Ultra-Low Conductivity Mullite Bricks
Energy saving and consumption reduction: Low thermal conductivity (approximately 0.25-0.53 W/m·K at 1000℃), significantly reducing furnace heat dissipation and heat storage, and accelerating heating and cooling rates.
Structural stability: Low creep rate at high temperatures, good thermal shock resistance, can directly contact the flame, and is resistant to acid and alkali corrosion.
Reduced load: Weight can be 10%-20% lighter than traditional refractory materials, effectively reducing the load on the kiln’s steel structure.
Precise dimensions: Mostly machine-pressed, ensuring precise dimensions, accelerating construction speed and guaranteeing masonry quality.
Application of Lightweight Ultra-Low Conductivity Mullite Bricks
Hot-face lining: Serving as the working layer of a kiln, directly in contact with the flame, used in ceramic roller kilns, tunnel kilns, shuttle kilns, etc.
Backing insulation: Serving as an insulation layer behind high-temperature heavy bricks, used in hot blast stoves, petrochemical cracking furnaces, etc.
Specialty applications: Lightweight ultra-low conductivity mullite bricks are widely used in critical components such as glass crucibles, non-ferrous metal furnaces, and transition zones (using composite structures) in cement kilns.
What is the Price of Lightweight Ultra-Low Conductivity Mullite Brick?
The main factors affecting the price include: quantity and type. Lightweight ultra-low conductivity mullite fire bricks are key components for building kilns. Lianxin team will provide different pricing plans according to the different needs of customers. The price of lightweight ultra-low conductivity mullite fire bricks varies depending on the quantity and model selected. Customers who order large quantities of the same model can enjoy greater discounts.
About delivery time: Standard size bricks can be delivered immediately.
Regarding customized lightweight ultra-low conductivity mullite fire bricks, we have rich experience, short production cycle and fast delivery time.
In addition, we can also provide kiln material solutions and a series of technical guidance for construction according to the specific needs of customers.
Lianxin lightweight ultra-low conductivity mullite refractory fire bricks are your solution!
With over 20 years of experience and a team of over 200 professionals, we are committed to helping you find the solution that’s right for you.




