May 2026: We are continuing a major code rewrite. Please contact us if you find issues. Thank you.
Description: Refractory Aggregate
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.10% | - | |
| K2O | 0.15% | - | |
| MgO | 0.10% | 0.01 | |
| Na2O | 0.15% | 0.01 | |
| TiO2 | 2.10% | 0.06 | |
| Al2O3 | 43.50% | 1.00 | |
| SiO2 | 53.50% | 2.09 | |
| Fe2O3 | 0.55% | 0.01 | |
| Oxide Weight | 234.83 | ||
| Formula Weight | 234.83 | ||
Ione calcine was a high fired kaolin base refractory aggregate with excellent chemical and physical properties.
Bulk Density, gms/cc 1.68-3.36mm particle size: 2.55-2.6
True Specific Gravity, ASTM C-1365: 2.71
Apparent Porosity, ASTM C-357, %: 2-4
PCE: Orton 33-34
| Typecodes |
Aggregate
Granular materials intended to impart raw and fired structural strength or thermal expansion properties to bodies or deliver special speckling effects in glazes. |
![]() PayPal | No tracking, No ads, No paywall, No transient content! Just organized, concise information constantly updated and improved. Was this helpful? Consider supporting me. |
| By Tony Hansen Follow me on ![]() | ![]() |
Buy me a coffee and we can talk