Fused Mullite Grits 70-79% Al2O3 for Refractory Applications - 1-8mm Grit Sizes, 1830°C Melting Point
Fused Mullite Grits and Molten Mullite Sand are premium refractory materials manufactured through high-temperature fusion processes at 1800-2000°C. With 70-79% Al2O3 content, these materials deliver exceptional thermal stability and mechanical strength for demanding industrial applications.
| Parameter | Value |
|---|---|
| Al2O3 Content | 74-79% |
| SiO2 Content | 20-25% |
| Fe2O3 Content | ≤0.1% |
| True Density | ≥3.10 g/cm³ |
| Melting Point | 1830°C |
| Linear Expansion Coefficient | -6.0×10⁻⁶/°C |
| Porosity | 6% |
| Glass Phase | ≤5% |
Section Sand Sizes: 1-0mm, 3-1mm, 5-3mm, 8-5mm
Available Forms: Blocks, Grits, Powder
Color: White or Grey
- Excellent thermal stability up to 1830°C
- High mechanical strength and durability
- Low thermal expansion coefficient
- Superior chemical resistance
- Minimal glass phase content for enhanced performance
- Refractory bricks and castables for kilns and furnaces
- Advanced ceramics including crucibles and thermocouple tubes
- Foundry molds and cores requiring dimensional stability
- Abrasive grains for grinding wheels and cutting tools
- Surface treatment, polishing, and blasting operations
Standard: 25kg plastic bags or 1000kg jumbo bags
Custom packaging available according to customer requirements
Brand: XINLI Abrasive
Manufacturer: Zhengzhou Xinli Wear-resistant Materials Co. Ltd.
Founded in 1996, specializing in high-quality wear-resistant materials with PEPA, JIS, and ANSI certifications.
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