70-79% Al2O3 Fused Mullite for Refractory Applications - 1830°C Melting Point, 3.10 g/cm³ Density
Manufactured through high-temperature fusion at 1800-2000°C, this 70-79% Al2O3 fused mullite delivers exceptional thermal stability, mechanical strength, and chemical resistance for demanding industrial environments.
| Component | Content |
|---|---|
| Al2O3 | 74-79% |
| SiO2 | 20-25% |
| Fe2O3 | ≤0.1% |
| Glass Phase | 5% Max |
| Porosity | 6% |
| Property | Value |
|---|---|
| Linear Expansion Coefficient | 6.0×10⁻⁶/°C |
| True Density | 3.10 g/cm³ min |
| Melting Point | 1830°C |
Section sand: 1-0mm, 3-1mm, 5-3mm, 8-5mm
Available as blocks, grits, or powder in white or grey color. Standard packaging: 25kg/plastic bag or 1000kg/plastic bag. Custom packaging available.
- Refractory bricks and castables
- Ceramic manufacturing (crucibles, kiln furniture)
- Foundry molds and cores
- Abrasive grains for grinding and cutting
- Surface treatment and polishing
Zhengzhou Xinli Wear-resistant Materials Co. Ltd. - Established in 1996, specializing in abrasives production and wear-resistant materials. Annual production capacity: 3,000 tons. Compliant with PEPA, JIS, and ANSI standards.
We provide customized fused mullite products with different models and chemical specifications according to customer requirements.
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