Xintai Magnesia Zirconia Bricks for glass kilns are high-performance refractory materials engineered for extreme temperature zones and regenerators in glass manufacturing furnaces. These bricks feature a dense structure, low porosity, and consistent composition, offering outstanding high-temperature strength. With excellent thermal shock resistance, strong alkaline slag resistance, and superior kiln coating adhesion, these magnesia zirconia bricks extend furnace service life, reduce maintenance, and improve operational efficiency.
Technical Specifications
| Item | MZ8 | MZ10 | MZ13 |
|---|---|---|---|
| MgO (%) | ≥80 | ≥75 | ≥70 |
| ZrO₂ (%) | ≥8 | ≥10 | ≥13 |
| Apparent Porosity (%) | ≤19 | ≤18 | ≤18 |
| Bulk Density (g/cm³) | ≥2.95 | ≥3.0 | ≥3.05 |
| Cold Crushing Strength (CCS, MPa) | ≥50 | ≥45 | ≥40 |
| Refractoriness Under Load (0.2 MPa, ℃) | ≥1600 | ≥1550 | ≥1600 |
| Thermal Shock Resistance (TSR, Cycle 950℃, Air) | ≥10 | ≥10 | ≥10 |
Key Features of Magnesia Zirconia Bricks for Glass Kilns
- High-Temperature Strength: Maintains structural stability in extreme kiln conditions.
- Excellent Thermal Shock Resistance: Handles rapid heating and cooling cycles.
- Alkaline Slag Resistance: Protects against alkaline environments and slag corrosion.
- Dense Structure & Low Porosity: Enhances durability and reduces wear.
- Superior Kiln Coating Adhesion: Minimizes coating loss and boosts efficiency.
Typical Applications
- Firing zones of glass kilns.
- Regenerators in glass furnaces.
- Hot spots in industrial high-temperature applications requiring alkaline slag resistance.
- Areas requiring long service life and stable thermal performance.
Production Details
Raw Materials:
- High-purity magnesia for refractory base.
- Zirconia for chemical resistance and high-temperature performance.
- Optional additives to improve porosity, thermal shock resistance, and coating adhesion.
Manufacturing Process:
- High-pressure shaping for dense brick structure.
- High-temperature sintering for optimal load-bearing performance.
- Strict quality control at every stage to ensure technical compliance.
Packing and Shipping Details
- Packaging: Standard export wooden pallets with protective film.
- Labeling: Product name, grade, batch number, and net weight included.
- Shipping: Flexible logistics via sea or rail.
- Delivery Time: 15–30 days depending on order quantity.
- Supply Ability: Large-scale production for industrial demand.
Frequently Asked Questions (FAQ)
Q1: What is the typical service life of magnesia zirconia bricks in glass kilns?
Generally 12–24 months depending on kiln conditions.
Q2: Can the bricks be customized for specific glass kiln designs?
Yes, Xintai offers tailored specifications to meet unique requirements.
Q3. What advantages does zirconia provide?
Enhances high-temperature strength, chemical resistance, and thermal shock performance.
Q4: Do you provide quality certificates and test reports?
Yes, all products come with official quality certification.
Q5: Do you provide installation support?
Technical guidance and installation support are available upon request.
