Refractory Materials

Refractory materials are essential in sectors where high temperatures are a part of the production process. They are used to line furnaces, boilers, reactors, and all types of equipment exposed to extreme thermal conditions. Without them, industries such as metallurgy, cement, or ceramics could simply not operate.

What are refractory materials?

Refractory materials are compounds capable of withstanding temperatures above 1,000 °C without melting or deteriorating. They are designed to maintain their mechanical, physical, and chemical properties even in corrosive, abrasive, or thermally demanding environments.

Types of Refractory Materials

Based on their chemical composition, the main types of refractory materials are:

• Acidic Refractories: such as silica and alumina, resistant to acids but not alkalis.

• Basic Refractories: such as magnesia, ideal for environments with alkalis.

• Neutral Refractories: such as tabular alumina or silicon carbide, resistant to both acids and bases.

They are also classified by format: bricks, moldable masses, prefabricated blocks, or technical ceramic linings.

Applications of Refractory Materials

Refractories are used in:

• Metal casting furnaces

• Glass and cement industry

• Industrial ceramic furnaces

• Chemical and petrochemical reactors

• Thermal treatment plants

Additionally, materials like calcined alumina or tabular alumina are used as key raw materials in the formulation of advanced refractories.

Advantages of High-Quality Refractories

• High thermal and structural resistance

• Efficient thermal insulation

• Long durability under extreme conditions

• Reduced maintenance and downtime costs

Looking for refractory materials for your industry?

At Xieta, we offer advanced solutions in refractory raw materials such as alumina, zirconia, or technical compounds, designed to maximize the thermal efficiency and durability of your industrial equipment.