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Corundum Series Refractory Bricks
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Product Category
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:Micun & Laiji Refractory Industry Zone, Xinmi City, Henan Province, China
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

Strengths
Innovation
R&D Team
Facilities
Honors
Product Portfolio
Specializing in premium zircon, corundum, sintered AZS, and monolithics. With a $70M+ annual output, we deliver durable linings for global high-temp industries.
Capacity
✔ 4 automated microcomputer batching systems.
✔ 4 ultra-high-temp tunnel kilns & 5 shuttle kilns.
✔ 20+ CNC hydraulic presses (630-1500T).
✔ Digitalized workshops with 100,000T annual capacity.
Core Strengths
Core Strengths
Core Strengths
Core Strengths
Core Strengths
💡
93 patents, featuring the "Tri-Resist Brick" for glass kilns. Field-proven for superior corrosion and thermal shock resistance.
📜
Co-authored multiple National Standards for Andalusite, Chrome-Corundum, and Zircon bricks with CBMA.
🤝
Strategic partner to Fortune 500 leaders: China Baowu, CNBM, CSG, Xinyi, and Kibing Glass.
Tech & Innovation
Tech & Innovation
Tech & Innovation
Expert R&D Team
Led by Prof. Shi Gan, our 40+ engineers leverage advanced testing centers to drive innovation in green refractory technologies.
Professor Shi Gan
Prof. Shi Gan
Chief Scientist
Senior Engineer & National Expert (State Council Allowance).
Key drafter of 5+ national refractory standards.
Inventor of "Tri-Resist Brick", maximizing glass furnace lifespan.
R&D Center
Laboratory Equipment
Zhongke Refractories
Insulating Materials Base: Alumina Bubble, Mullite, High-Alumina & Fireclay bricks.
Zhongke New Materials
Special Refractories Base: Chrome-Corundum, Tri-Resist, and Low-Porosity bricks.
Henruida New Materials
Premium Refractories Base: Zircon, Corundum, Sintered AZS, and monolithics.
Zhengzhou Zhongke Refractories Co., Ltd. Zhengzhou Zhongke New Materials Co., Ltd. Zhengzhou Henruida New Materials Co., Ltd.
Certifications & Honors

Certified by ISO 9001, 14001, 45001, 50001 Management Systems.

Honored as:

  • National High-Tech Enterprise
  • Specialized & Innovative SME
  • Provincial Green Factory
  • Grade A Environmental Enterprise
Certifications & Honors
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
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Contact Us
Email: market@xzkgroup.com
Phone/WhatsApp/Wechat: 0086 19059612888
Add: Micun Industrial Area, Xinmi City, Henan Province, China
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