K26 insulating fire brick, with an Al2O3 content of 54-56%, is made by Kerui for use in severe high-temperature conditions. As a top 5 Chinese manufacturer, Kerui provides various sizes, shapes, and competitive factory prices.
- Al2O3: ≥54-56%;
- Bulk Density: 0.7-1.0g/cm³;
- Working temperature: 1250-1600ºC;
- Cold Crushing Strength: 2.0-3.2MPa;
- Size: 230*114*65mm (standard)/And other sizes;
Basic Parameters of Kerui K26 Insulating Fire Bricks
| Item/Grade | KR-26 | |||
|---|---|---|---|---|
| Type | A | B | C | D |
| Al2O3, % | ≥54 | ≥55 | ≥56 | ≥56 |
| Fe2O3, % | ≤0.9 | ≤0.9 | ≤1.0 | ≤1.0 |
| Bulk Density, g/cm³ | 0.7 | 0.8 | 0.9 | 1.0 |
| Reheating Linear Change, % | ≤-1 | ≤-0.65 | ≤-0.5 | ≤-0.5 |
| Temperature*12h | 1400℃ | |||
| Cold Crushing Strength, MPa | ≥2 | ≥2.3 | ≥2.8 | ≥3.2 |
| Thermal Conductivity 350℃, W/(m·K) | 0.21 | 0.25 | 0.3 | 0.32 |
Strict Quality Control For K26 Insulating Fire Brick
K26 mullite insulating bricks are produced under a strict quality management system and undergo a series of quality inspections before leaving the factory:
- Selection of high-quality mullite raw materials;
- Over 20 pressing machines;
- Two 168-meter firing tunnel kilns;
- Physicochemical tests to ensure compliance with customer specifications;
- Post-production inspection of dimensions and surface smoothness to meet customer requirements;
- Provision of detailed professional test reports based on customer needs;
- ISO 14001, ISO 9001, CE certificates, and other patents.
Advantages of Kerui K26 Insulating Refractory Bricks
- High refractoriness;
- Excellent thermal shock resistance;
- Low thermal conductivity;
- Significant energy-saving performance;
- High compressive strength;
- Good wear resistance;
- Resistance to acid and alkali corrosion;
- Resistance to slag erosion;
- Low thermal expansion coefficient.
Shapes of K26 Insulation Fire Bricks
The standard shapes of K26 insulating fire bricks include various options. If these standard shapes do not meet your needs, we can provide custom services. Based on your drawings, we will select the appropriate molds for production.
Shipping of K26 Insulating Firebricks
Several customers have purchased Kerui K26 insulating Bricks, including those from South Korea, Russia, and other countries. Before shipping, Kerui conducts thorough checks on the packaging and product quality. These customers have been very satisfied upon receiving their goods.
- Delivery Time: 15-30 days for in-stock items.
- Package: Kerui standard packaging consists of wooden fumigation pallets. If you have custom requirements, please contact us.
- Shipping Routes: Professional freight forwarders provide cost-effective routes for your shipment.
Partners of K26 Insulating Fire Bricks
K26 insulating bricks have numerous partners, including RUSAL, CHALCO, ALBA, POSCO, PSM, etc. They are engaged in industries such as steel and aluminum. These customers maintain long-term and strong cooperative relationships with Kerui.
Optimal Lining Solution For Industrial Furnaces
Mullite insulating bricks are primarily used for furnace linings, furnace roofs, furnace bodies, regenerators, and other parts. Kerui can provide guidance based on your specific needs.
- Metallurgy: Hot blast furnace, etc.
- Glass Industry: Glass melting furnace, etc.
- Ceramic Industry: Ceramic sintering furnace, ceramic kiln, shuttle kiln, tunnel kiln, roller kiln, enamel kiln, etc.
- Petrochemical Industry: Petrochemical cracking system, cracking furnace, etc.
- General Industry: Bell furnace, heating furnace, heat treatment furnace, etc. View some video on Youtube.
