InsulatingBrick.com | Premium Refractory Insulation Solutions

About Zhengzhou Sunrise Refractory

Zhengzhou Sunrise Refractory Co., Ltd. is located in central China, strategically positioned near the major railway intersection of Jingguang and Longhai, and close to Zhengzhou Xinzheng International Airport. This prime location enables efficient logistics and global distribution.

We specialize in manufacturing high-quality refractory insulation products used in blast furnaces, glass furnaces, ceramic kilns, hot air stoves, and other high-temperature industrial applications. Our commitment to innovation and quality has allowed us to build long-term partnerships with clients across the globe.

With decades of experience, we continue to expand our export business, delivering reliable, cost-effective thermal insulation solutions that meet international standards.

$Refractory Manufacturing Facility$

Our Core Products

Engineered for performance, durability, and thermal efficiency in extreme industrial conditions.

Mullite Insulation Brick

A high-performance refractory brick ideal for roofs of hot air stoves, blast furnaces, furnace bottoms, glass furnace regenerators, and ceramic sintering kilns.

Excellent thermal shock resistance
Low thermal conductivity
High load-bearing capacity at elevated temperatures

Fire Clay Insulation Brick

Cost-effective insulation solution for moderate to high-temperature applications in industrial furnaces and kilns.

Good resistance to thermal spalling
Stable performance up to 1400°C
Economical choice for general refractory lining

High Alumina Insulating Brick

Designed for high-temperature environments requiring superior strength and chemical resistance.

High alumina content enhances durability
Resistant to slag and chemical attack
Ideal for steel, cement, and petrochemical industries

Magnesium Silicate Insulation Board

Lightweight, non-combustible insulation board with excellent heat resistance and low thermal conductivity.

Fire-resistant up to 1000°C
Easy to cut and install
Ideal for furnace linings and thermal barriers

AZS Fused Bricks

Alumina-Zirconia-Silica fused cast bricks used in glass melting furnaces for superior corrosion resistance.

Exceptional resistance to glass melt
High density and low porosity
Long service life in aggressive environments

Ceramic Sintering Kiln Bricks

Specialized bricks designed for use in ceramic kilns requiring precise thermal control and structural stability.

Dimensional stability at high heat
Uniform thermal expansion
Minimizes cracking during firing cycles

Boiler Masonry Bricks

Engineered for boiler linings, these bricks withstand cyclic heating and mechanical stress.

High resistance to thermal cycling
Low maintenance and long lifespan
Suitable for power plant and industrial boilers

Regenerator Bricks

Used in regenerative heat exchangers of glass and steel furnaces to maximize energy efficiency.

High heat storage capacity
Withstands repeated heating/cooling cycles
Optimizes fuel consumption and reduces emissions

Why Choose Our Insulating Bricks?

Superior Thermal Insulation

Low thermal conductivity reduces heat loss and improves energy efficiency in high-temperature systems.

Exceptional Durability

Resistant to thermal shock, spalling, and chemical corrosion, ensuring long service life.

Industrial-Grade Performance

Engineered for blast furnaces, glass kilns, ceramic ovens, and other demanding applications.

Global Export Experience

Trusted by clients worldwide with reliable logistics and consistent quality assurance.

Frequently Asked Questions

What is the difference between refractory bricks and insulating bricks?

Refractory bricks are designed to withstand high temperatures and resist wear, while insulating bricks have low thermal conductivity to reduce heat loss. Insulating bricks are often used behind dense refractory linings to improve energy efficiency.

Can mullite insulation bricks be used in glass furnaces?

Yes, mullite insulation bricks are commonly used in the regenerators and superstructures of glass furnaces due to their excellent thermal stability and resistance to thermal shock.

How do I choose the right insulating brick for my application?

Selection depends on operating temperature, chemical environment, mechanical load, and thermal cycling. High alumina bricks are best for high-load, high-temperature areas, while fire clay bricks are suitable for moderate conditions.

Are your products suitable for ceramic sintering kilns?

Absolutely. Our mullite and high alumina insulating bricks are widely used in ceramic sintering kilns for their dimensional stability, low shrinkage, and resistance to repeated heating cycles.

Do you provide technical support for installation?

Yes, we offer guidance on proper masonry techniques and installation practices to ensure optimal performance and longevity of the refractory lining.

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