GWECO LLC
Calcined Kaolin (Flint Clay)
Calcined Kaolin (Flint Clay) technical grades and source-listed specifications for customer review.
Back to Industrial & Refractory Materials
Calcined Kaolin (Flint Clay) is listed in GWECO’s Industrial & Refractory Materials Catalog, Revision 4 (October 2026), under Other Refractory Materials.
Source-listed technical profile: Calcined Kaolin (Flint Clay).
Contact GWECO with the required grade, particle size, quantity and delivery destination to confirm current availability, packaging and shipment requirements.
Source-listed sizes
Calcined Kaolin (Flint Clay): 0–1 mm; 1–3 mm; 3–5 mm; finer 100 mesh; finer 200 mesh
Source-listed size options; current availability requires inquiry.
GWECO did not perform the original testing. Source-reported results do not certify any particular shipment or production lot. Confirm current availability and shipment requirements with GWECO.
Available grades and sizes
Calcined Kaolin (Flint Clay): 0–1 mm; 1–3 mm; 3–5 mm; finer 100 mesh; finer 200 mesh
Technical specifications
Source-listed sizes — Calcined Kaolin (Flint Clay)
Source-listed size / fraction |
|---|
0–1 mm |
1–3 mm |
3–5 mm |
finer 100 mesh |
finer 200 mesh |
SPECIFIED CHEMISTRY AND PHYSICAL PROPERTIES
Property | Specification |
|---|---|
Al₂O₃ | 45% min. |
SiO₂ | 54% max. |
Fe₂O₃ | 1.5% max. |
K₂O + Na₂O | 0.5% max. |
CaO + MgO | 0.7% max. |
H₂O | 1.0% max. |
TiO₂ | 2.8% max. |
LOI | 2.00% |
B.D. | 2.45 g/cm³ min. |
STANDARD SIZES
Size description | Source specification |
|---|---|
Standard sizes | 0–1 / 1–3 / 3–5 mm; finer 100 mesh; finer 200 mesh |
Size fraction | Min. 90% |
Property |
|---|
Calcined Kaolin (Flint Clay)
The catalog does not provide a different grade specification for each listed size. Source size-fraction requirements remain in the tables below.
Source-listed options; confirm current availability with GWECO.