The insulating fire bricks K23 is one of a type of mullite insulation brick. It is the most cost-effective type. Among so many insulation bricks, the K23 insulating firebrick can contact fire directly! As a result, it has become a preferred choice for many customers. Kerui has exported insulation bricks to more than 50 countries and regions, including United States, Australia, Canada, New Zealand, Brazil, Germany, Italy, Turkey, Egypt, South Korea…
K23 Insulating Firebrick Parameter
In the construction of kiln insulation layer, the insulating fire bricks K23 is essential. Here you can see the basic parameter of K23 brick. Besides, Kerui also provides high quality K26/28/30 (JM23/26/28/30) mullite insulation bricks.
| Item/Grade | KR-23 (K-23) | |||
|---|---|---|---|---|
| Type | A | B | C | D |
| Al2O3, % | ≥42 | ≥42 | ≥45 | ≥48 |
| Fe2O3, % | ≤1.2 | ≤1.2 | ≤1.0 | ≤1.0 |
| Bulk Density, g/cm³ | 0.55 | 0.6 | 0.8 | 1.00 |
| Reheating Linear Change, % | ≤-0.5 | ≤-0.55 | ≤-0.4 | ≤-0.3 |
| Temperature*12h | 1230℃ | 1260℃ | 1300℃ | 1300℃ |
| Cold Crushing Strength, MPa | ≥1.2 | ≥1.5 | ≥2.3 | ≥3 |
| Thermal Conductivity 350℃, W/(m·K) | 0.17 | 0.19 | 0.24 | 0.31 |
Wide Uses of K23 Insulating Firebrick
The K23 mullite insulating firebrick can be directly used as the lining of high-temperature kilns. It has wide application in shuttle kilns, roller hearth kilns, glass and petrochemical kiln linings.
It is suitable for the lining or insulation layer of various industrial furnaces in metallurgy, ceramics, chemical industry, machinery and other industries, such as blast furnaces, hot blast stoves, electric arc furnaces, cement kilns, melting furnaces, ignition furnaces, flues, refining equipment, heating equipment and pipelines, regeneration devices, gas generators, soaking pits, annealing furnaces, thermal reaction chambers and other thermal industrial equipment.
Kerui Package and Delivery for K23 Firebrick
Kerui uses steel belts, fumigation trays, high-quality plastic film and bubble paper to protect the integrity of the insulation bricks. As a top insulation brick manufacturer and exporter in China, Kerui delivery team provides safe and competitive delivery solution. If you want to catch the least news about Kerui, welcome to follow Pinterest.
Delivery Cycle of Insulating Fire Bricks K23
7-15 working days for standard type;
Within 30 working days for customized type.
Features and Benefits of KERUI Insulating Fire Bricks K23
Save Energy: Low thermal conductivity reduces heat loss in the kiln, thereby building a stable kiln environment, improving thermal efficiency and reducing fuel consumption;
Long Service Life: Using high-quality raw materials, good use effect, this k23 soft fire brick can still maintain complete performance in difficult kiln environments, and has a longer service life than other types of insulation bricks;
Easy to Use: It has lightweight, easy to transport and install; easy to cut, can change the shape according to actual application or directly drill holes to create openings for burners;
Wide Applications: Can directly contact the flame and has a wide temperature range.
Features and Benefits of KERUI Insulating Fire Bricks K23
Customize Service
Through customized solutions, Kerui factory can help customers achieve the best performance of insulation bricks. Common customization items include size, shape, composition, performance, kiln design, packaging and shipping terms, etc.
Technical Service
Provide technical consultation, technical solutions, and technical guidance services. Technical engineers have rich experience in this industry.
After-sales Service
No matter what problems you encounter during use, such as installation, storage, transportation, etc., Kerui will answer you in time. More importantly, Kerui will make regular phone calls or on-site visits to ensure the smooth progress of the project and continuously improve the quality of service.
