In November 2025, Kerui Refractories, a leading Chinese refractory materials manufacturer, successfully shipped a full container of 75% high alumina bricks to Russia. These standard-sized high alumina bricks perfectly met the customer’s regular requirements.

Demand for the Refractories
A major Russian metallurgical plant needed materials. The plant operates electric arc furnaces and cupola furnaces. These furnaces are essential for metal production. They melt raw materials like iron and steel. The internal linings of these furnaces face extreme conditions. Temperatures regularly exceed 1500 degrees Celsius. Molten metal and slag cause chemical erosion. Thermal cycling creates mechanical stress. Frequent heating and cooling can cause material failure. The plant required a reliable refractory solution. The supplier needed proven expertise. The supplier needed a robust product portfolio. We offer a variety of high alumina bricks:
- 60% High Alumina Bricks;
- 65% High Alumina Bricks;
- 70% High Alumina Bricks;
- 75% High Alumina Bricks;
- 80% High Alumina Bricks.

Kerui’s Solution – The 75% Alumina Bricks
The Russian customers discovered Kerui Refractory. Kerui’s technical team initiated a dialogue. They discussed the customer’s specific operating parameters. They discussed furnace types. They discussed metal grades. They discussed temperature profiles. Kerui proposed its 75% Alumina Brick. This product matched the customer’s requirements perfectly.
The product’s composition is critical. A 75% Alumina (Al₂O₃) content provides key advantages. This composition delivers a high refractoriness under load. The bricks maintain structural integrity at extreme temperatures. The composition offers superior resistance to acid and basic slags. This resistance reduces chemical wear. It extends the furnace lining’s service life. Kerui’s manufacturing process optimizes thermal stability. The bricks withstand rapid temperature changes. They resist cracking and spalling. This is vital for batch-processing operations.

The Details of Kerui 75% Alumina Bricks
The alumina fire bricks‘ physical dimensions are standard. The size is 230*114*65mm. Standardization ensures manufacturing consistency. It also ensures installation efficiency. Uniform bricks create tight, secure joints. Tight joints form a monolithic lining structure. A strong lining maximizes furnace campaign life. It improves overall operational safety.
Packaging required special attention. Refractory bricks are heavy and brittle. Kerui used a professional packaging method. They used wooden pallets for unitization. They used steel strapping for reinforcement. This packaging secured the goods during ocean transit. It prevented movement and damage.
The shipment was ready in November 2025. Kerui coordinated transport to the Chinese port. The goods were loaded into a shipping container. The container was sealed and shipped to Russia. The on-time delivery was crucial. It supported the customer’s planned maintenance shutdown. It prevented costly production delays.



