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Corundum Series Refractory Bricks
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Zirconia Series Refractory Bricks
Corundum Series Refractory Bricks
Alumina-silicon Refractory Bricks
Insulating Bricks
Monolithic Refractories
Magnesia Series Refractory Bricks
Contact Us
Email:market@xzkgroup.com
Phone / WhatsApp / Wechat:
0086 19059612888
Add:Yanggang village, Jianshanlownship, Xinmi City
Corundum Series Refractory Bricks
Corundum Series Refractory Bricks
High-strength corundum refractory bricks, distinguished by outstanding abrasion resistance and volume stability at high temperatures. They are widely used in critical areas of carbon baking furnaces, gasifiers, and tunnel kilns.
‌High Abrasion Resistance‌ ‌Volume Stability‌ ‌Structural Integrity ‌High Purity‌
Cylindrical Chrome Corundum Brick

Al₂O₃:≥62%;

Cr₂O₃:≥10%;

Cold Crushing Strength:≥100MPa;

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Corundum Mullite Brick

Al₂O₃:≥80%;

Bulk Density:≥2.75g/cm³;

Cold Crushing Strength:≥85MPa;

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Corundum Brick

Al₂O₃:≥95%;

Bulk density:≥3.15g/cm³;

Apparent Porosity:≤18%;

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Chrome-Zirconia-Mullite Brick‌

Al₂O₃:≥70%;

Cr₂O₃:≥10%;

Bulk Density:≥3.3g/cm³;

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Chrome Corundum Brick

Al₂O₃:≥62%;

Cr₂O₃:≥10%;

Bulk density:≥3.25g/cm³;

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ABOUT XZK GROUP
Core Strengths
Technological Leadership
R&D Team
Group Structure
Certifications & Honors
Product Range:
High/mid-grade sintered zirconia, corundum, AZS bricks,lightweight insulation bricks, and unshaped refractories with annual output value exceeding 500 million RMB.
Production Capacity:
4 automated batching systems
4 high/ultra-high temperature tunnel kilns + 5 shuttle kilns
30 CNC presses (400-1500T capacity)
Digitalized workshops producing 150,000 tons/year
93 patents, including the industry-first Triple-ResistantBrick (Patent ZL201310431067.6) for glass furnaces,excelling in erosion/thermal shock resistance.
Co-drafted industry standards forandalustie/chrome-corundum/zircon bricks withChina Building Materials Academy.
Strategic partners: Baowu Group, CNBM, CSG Holding. Xinyi Glass, Kibing Group.
Led by Prof Shi Gan (renowned refractory expert), our 40+ R&D professionals drive innovation in green material technology
Prof. Shi Gan
Chief Scientist & R&D Director, XZK Group
China's highest technical for industrial R&D leadership.
Key participant in drafting 5+ national industry standards.
Principal inventor of the Triple-Resistant Brick, resolving critical glass furnace longevity challenges.
Zhengzhou Zhongke Refractories Co.
Lightweight insulation materials (alumina bubble bricks, mullite bricks)
Zhengzhou Zhongke New Materials Co.
High-temperature specialties (chrome-zirconia corundum bricks, triple-resistant bricks)
Zhengzhou Hengruida Materials Co.
Premium zirconia-series refractories
HONOR
QUALIFICATION
PATENT
ISO 9001/14001/45001/50001 certified. Recognized as:National High-Tech Enterprise Specialized "Little Giant" SMEGreen Factory (A-rated environmental performance)
Beginning with professional consultation to accurately identify and address specific requirements
One-to-one Service
We offer one-on-one dedicated sales and technical team services to perfectly solve any refractory material problems you encounter
Professional Solution
The company has over 30 technical R&D personnel and can provide professional solutions based on the on-site conditions of customers
Quality Management System
We have a strict quality management system to ensure the stability of the quality of each batch of products.
Responsible After-sales Service
Our dedicated technical team will visit customers regularly and provide free lifetime after-sales service
Contact Us
Email: market@xzkgroup.com
Phone/whatsApp/Wechat: 0086 19059612888
Add: Micun Industrial Area, Xinmi City, Henan Province, China
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