Sillimanite
Al₂SiO₅
Natural sillimanite supplied for high-alumina refractories, specialty ceramics, and high-temperature industrial applications.
Overview
Sillimanite is the third naturally occurring Al₂SiO₅ polymorph, found in metamorphic rocks. It converts to mullite with controlled expansion behaviour and is used in high-alumina refractory bricks, steel industry refractories, specialty ceramics, and selected glass industry applications.
Source Details
Source Name
Sillimanite Supply Network
Region / Country
Multi-Origin, India / South Africa / Madagascar
Dispatch Ports
Mundra, Kandla, Durban
Sourcing Note
Available in raw and processed grades by Al₂O₃ content, grade purity, and application specification.
Quality Parameters
| Parameter | Typical Range / Content |
|---|---|
| Al₂O₃ | 57–63% |
| SiO₂ | As per grade |
| Fe₂O₃ | As per grade |
| TiO₂ | On request |
| Grain Size | As per application |
* Final chemistry, sizing, and commercial grade are supplied subject to confirmed assay, origin, and buyer application.
Applications
High-Alumina Refractory Bricks
Manufacture of high-alumina bricks for steel, glass, and cement furnaces.
Steel Industry Refractories
Applied in tundish linings, ladle bricks, and steel plant refractory systems.
Specialty Ceramics
High-temperature ceramic bodies requiring stable alumino-silicate phase.
Industries Served
Technical Documentation
Access detailed technical specifications, safety data sheets (SDS), and certificate of analysis (COA) examples.
Commercial Details
Packaging Options
- 1 MT jumbo bags
- 25 kg bags
Export Availability
Containerized supply available
Contact Sales
Request Sillimanite Supply
Get pricing, availability, and technical specifications.
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