Mullite Insulation Brick
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Mullite insulation bricks refractory material can be used in linings or heat-insulating materials of the industries, such as, ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high-temperature shullte kilns, etc
Specifications:
| Items | MU 60 | MU 65 | MU 70 | MU 75 | |
| Chemical Composition | Al2O3 % | ≥60 | ≥65 | ≥70 | ≥75 |
| SiO2 % | ≤35 | ≤33 | ≤26 | ≤24 | |
| Fe2O3 % | ≤1.0 | ≤1.0 | ≤0.6 | ≤0.4 | |
| Bulk Density g/cm3 | ≥2.55 | ≥2.55 | ≥2.55 | ≥2.55 | |
| Reheating Linear Change (%) 1500℃×2h | 0~+0.4 | 0~+0.4 | 0~+0.4 | 0~+0.4 | |
| Apparent Porosity % | ≤17 | ≤17 | ≤17 | ≤18 | |
| Thermal Conductivity W/(m·K) 1000℃ | 1.74 | 1.84 | 1.95 | 1.95 | |
| Cold Crushing Strength MPa | ≥60 | ≥60 | ≥80 | ≥80 | |
| Thermal Expansion Coefficient (×10-6℃-1) | 0.6 | 0.6 | 0.6 | 0.55 | |
| 0.2Mpa Refractoriness Under Load T0.6 ℃ | ≥1580 | ≥1600 | ≥1600 | ≥1650 | |
| Thermal Shock Resistance 1000℃ water cycles | ≥18 | ≥18 | ≥18 | ≥18 | |
Competitive Advantage:
Competitive Price. Make the products competitive in your market.
Abundant Experience. Prevent cracks and twist in bricks.
Different Moulds. Save mould fees for you.
Strict Quality Control. Meet clients’ quality requirement.
Large stocks. Guarantee prompt delivery.
Professional Packing. Avoid damage and secure the goods in transportation
Commitment ot Our Customers
- Competitive Price: Make the products competitive in your market,
- Abundant Experience: Prevent cracks and twist in bricks,
- Different Moulds: Save mould fees for you,
- Strict Quality Control: Meet clients’ quality requirement,
- Large stocks: Guarantee prompt delivery,
- Professional Packing: Avoid damage and secure the goods in transportation.