Chamotte & Calcined Clay
Calcined Clay — NCLAY 52 SPL B
Special 50–52% alumina calcined clay grade for refractory formulations and controlled particle-size applications.

Technical grade
NCLAY 52 SPL B
Special 50–52% alumina calcined clay grade for refractory formulations and controlled particle-size applications.
Processing temperature1300°C–1600°C
Primary characteristicHigher alumina with controlled iron content
Typical applications
RefractoriesCeramicsCastablesSpecialty formulations
Product data
Technical specifications
| Al₂O₃ | 50–52% |
|---|---|
| Fe₂O₃ | 1.60–2.00% max |
| TiO₂ | 2.00% max |
| CaO | 1.00% max |
| Apparent Porosity | 9% max |
| Bulk Density | 2.5 g/cm³ min |
| Grit Size | 3–5 mm, 1–3 mm, 0–1 mm |
| Lumps | 0–30 mm |
| Standard Packing | 50 kg / 1 MT HDPE bags with separate polythene liner |
Actual test certificate values may vary by lot. Final acceptance should be based on the commercial specification and certificate of analysis.
Technical & commercial support
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