Highland Refractory has been a leading furnace refractory bricks manufacturer since its establishment in 1990. Based in Zhengzhou, China, we specialize in producing high-quality refractory materials for steel, cement, glass, and petrochemical industries. With a workforce of over 1,100 skilled employees and a full range of production lines, Highland Refractory delivers customized solutions to meet diverse industrial requirements.
Highland Refractory has been a leading furnace refractory bricks manufacturer since its establishment in 1990. Based in Zhengzhou, China, we specialize in producing high-quality refractory materials for steel, cement, glass, and petrochemical industries. With a workforce of over 1,100 skilled employees and a full range of production lines, Highland Refractory delivers customized solutions to meet diverse industrial requirements.
Our products are designed to withstand extreme temperatures, thermal shocks, and chemical corrosion, ensuring long service life and reliable performance. Over the past three decades, Highland Refractory has supplied refractory bricks to more than 50 countries, including Poland, Germany, the United States, and Southeast Asia. We are committed to quality, consistency, and customer support, providing technical guidance from brick selection to installation.
We hold multiple certifications, including ISO quality management, CE standards, and various international compliance certificates, demonstrating our commitment to both product excellence and global market requirements. By choosing Highland Refractory, industrial clients gain access to a trusted partner for all furnace refractory needs.
Highland Refractory manufactures a wide range of furnace refractory bricks suitable for various thermal and chemical environments. Selecting the right brick type is critical for achieving optimal performance and longevity.
Fire clay bricks are made from high-quality fire clay, with Al₂O₃ content typically ranging from 25% to 40%. These bricks are moderately refractory, able to withstand temperatures up to 1,300°C, and are commonly used in steel reheating furnaces, cement kiln preheaters, and backup linings. Fire clay bricks are ideal for applications where moderate heat resistance and durability are required at a reasonable cost.
High alumina bricks contain Al₂O₃ content from 48% to over 90%, offering superior refractoriness, thermal shock resistance, and mechanical strength. These bricks are widely used in critical working linings of steel, cement, glass, and petrochemical furnaces. Their high thermal stability makes them suitable for areas exposed to direct flame, molten metal, or chemical corrosion.
Magnesia bricks are formulated for basic furnace linings, particularly in steelmaking converters and slag-contact zones. Carbon bricks are used for applications where resistance to chemical attack, thermal conductivity, and mechanical wear are important. Both types require precise kiln firing and quality control to maintain consistent performance.
Highland Refractory also produces insulating bricks, slag-resistant bricks, and fused-cast shapes, designed for customized furnace applications. These bricks provide solutions where thermal insulation, energy efficiency, and reduced maintenance are critical.
Furnace refractory bricks play an essential role in maintaining furnace efficiency, safety, and longevity across multiple industries.
In steel plants, refractory bricks are used for reheating furnaces, ladle linings, and converter walls. Fire clay and high alumina bricks ensure even heat distribution, thermal shock resistance, and protection against molten metal splashes. Proper selection of brick type and lining thickness can maximize service life while minimizing energy loss.
Cement kilns rely on refractory bricks for preheater towers, rotary kiln linings, and tertiary air ducts. The bricks must endure thermal cycling, chemical exposure from raw meal, and abrasion from clinker movement. Highland Refractory’s fire clay and high alumina bricks are engineered to balance cost, performance, and operational reliability for cement applications.
In glass melting furnaces, refractory bricks must resist extreme temperatures and corrosion from molten glass and flux. High alumina and specialized refractory bricks are used in melting chambers, forehearths, and regenerative chambers, where consistent thermal performance is critical for product quality and furnace longevity.
Petrochemical furnaces involve high-temperature combustion and corrosive flue gases. Refractory bricks must provide thermal insulation, chemical stability, and resistance to thermal cycling. Fire clay bricks are often used in backup linings, while high alumina or specialty bricks are used in working linings exposed to direct flame or chemical attack.
Highland Refractory’s refractory bricks are also applied in waste-to-energy plants and incinerators, where thermal resistance, chemical stability, and mechanical durability are crucial. The correct brick type ensures efficient combustion, reduced maintenance, and extended operational uptime.
Choosing the right refractory bricks is essential for furnace efficiency, safety, and cost-effectiveness. Highland Refractory offers several advantages:
Highland Refractory not only supplies bricks but also provides technical support, helping clients select the optimal material for their furnace design.
Our bricks start with high-grade fire clay, high-purity magnesite, and selected additives. Each batch is analyzed for chemical composition to ensure refractory performance and consistency.
Bricks are formed using dry pressing, soft mud, or extrusion techniques, depending on type and application. This step ensures dimensional accuracy, uniform density, and low porosity.
Green bricks are carefully dried to remove free moisture and prevent cracks or deformation during kiln firing.
Bricks are fired in tunnel kilns or shuttle kilns at controlled temperatures. The firing process induces sintering and partial vitrification, improving mechanical strength and thermal stability.
Fired bricks are cooled gradually and subjected to strict quality inspection, including compressive strength testing, dimensional checks, and visual surface assessment. Only bricks that meet Highland Refractory’s high standards are shipped.
Highland Refractory has extensive experience exporting furnace refractory bricks worldwide:
Our robust logistics and packaging process ensures that clients receive intact, high-quality bricks ready for installation.
Under normal operating conditions, the service life is typically 2–5 years, depending on furnace type, lining position, temperature, thermal cycling, and chemical exposure.
Yes. Highland Refractory offers custom sizing and shaping to fit specific furnace designs and dimensions.
Absolutely. Our engineers can guide installation, lining design, and brick selection to optimize performance and lifespan.
Orders can be placed directly via Highland Refractory’s website or by contacting our sales team. We support small batch trials and bulk shipments globally.
Highland Refractory manufactures bricks suitable for steel, cement, glass, petrochemical, and energy industries, but selection must consider temperature, chemical exposure, and mechanical load.
Highland Refractory is your trusted partner for furnace refractory bricks, offering:
By choosing Highland Refractory, industrial clients can maximize furnace efficiency, reduce downtime, and achieve long-term operational reliability. Our fire clay bricks, high alumina bricks, and specialty refractory solutions are designed to meet the highest industry standards, ensuring safe and efficient furnace operation worldwide.
Silicon carbide plates are mainly composed of silicon carbide (SiC) as the aggregate (with a content usually ≥ 80%).
