Mineral solutions for fiberglass manufacturing
Sree Sai Mineral Industries supplies high-purity kaolin clay used as an alumina-silica source in fiberglass batch formulation, forming a key raw material input for E-glass fiber, glass wool, and specialty technical fibers.
Our processed kaolin grades help control melt viscosity and improve fiber strength and durability, backed by an in-house quality laboratory and a Certificate of Analysis with every batch.
Where our kaolin is used
E-Glass Fiber Reinforcement
- Continuous Filament Fiber
- Chopped Strand Mat
- Woven Roving
- Composite Reinforcement
Glass Wool Insulation
- Thermal Insulation Wool
- Acoustic Insulation Wool
- Building & HVAC Insulation
- Industrial Insulation Blankets
Specialty Technical Fibers
- High-Strength Technical Fibers
- Electronic Grade Fibers
- Filtration Media Fibers
- Aerospace & Automotive Fibers
The role our kaolin plays in your glass batch
Alumina-Silica Source
A single consistent mineral input for glass batch alumina and silica requirements.
Melt Viscosity Control
Supports stable fiberizing conditions across continuous furnace operation.
Fiber Strength & Durability
Improves mechanical strength and service life of the drawn glass fiber.
Low-Iron Consistency
Batch-to-batch chemistry verified in our in-house QC lab.
Sree Sai FiberPure Kaolin
Sree Sai FiberPure is a high-purity kaolin developed as an alumina-silica source for fiberglass batch formulation. Its low iron content and consistent chemistry support stable melting behaviour and excellent glass fiber quality.
Chemical Composition (Typical)
| Parameter | Typical Value |
|---|---|
| Silicon Dioxide (SiO₂) | 45–47% |
| Aluminium Oxide (Al₂O₃) | 37–40% |
| Iron Oxide (Fe₂O₃) | ≤ 0.45% |
| Titanium Dioxide (TiO₂) | ≤ 0.55% |
| Loss on Ignition (LOI) | 13–15% |
Physical Properties (Typical)
| Property | Typical Value |
|---|---|
| Brightness | 86–89% |
| Moisture | < 1.0% |
| Median Particle Size (D50) | 3–5 µm |
| +325 Mesh Residue | < 0.6% |
| Bulk Density | 0.35–0.45 g/cc |
Product Advantages
Five grades — from glass wool to specialty technical fibers
| Product Grade | Al₂O₃ (%) | Fe₂O₃ (%) | Brightness (%) | D50 (µm) | Primary Application |
|---|---|---|---|---|---|
| SS-FG 100 | 37–38 | ≤ 0.55 | 85–86 | 5–6 | Glass Wool Insulation |
| SS-FG 200 | 38–39 | ≤ 0.45 | 86–87 | 4–5 | Chopped Strand Mat |
| SS-FG 300 | 38–39 | ≤ 0.35 | 87–88 | 3.5–4 | E-Glass Fiber Reinforcement |
| SS-FG 400 | 39–40 | ≤ 0.25 | 88–89 | 3–3.5 | Composite Reinforcement |
| SS-FG 500 | 40–41 | ≤ 0.20 | 89–90 | 2.5–3 | Specialty Technical Fibers |
* Typical values provided for guidance only. Custom grades can be developed to meet specific process and product requirements.
