Note: This is a variation of Insulating Castables.
Foundry Service & Supplies offers a complete line of high temperature insulating castables (monolithics) rated for use in applications ranging from 2000ºF to 3300ºF. Their light weight and low thermal conductivity reduce both the amount of heat storage and heat transfer producing significant savings in furnace fuel consumption. Lower densities reduce the amount of supporting furnace steelwork required and provide more insulation with a thinner lining. Foundry Service can pre-cast and fire parts and shapes per customer suppliecell namerawings as well.
Specifications
| Composition | Alumina Calcium Oxide Silica |
|---|---|
| Maximum Operating Temperature ( ºF ) | 2000 |
| Density at 1500ºF ( lb/ft³ ) | 39 to 43 |
| Density at 1500ºF ( kg/m³ ) | 625 to 689 |
| Cold Crushing Strength (Dried 18-24 hrs. at 220ºF [104ºC]) ( MPa ) | 2.24 to 3.45 |
| Cold Crushing Strength (Dried 18-24 hrs. at 220ºF [104ºC]) ( psi ) | 325 to 500 |
| Cold Crushing Strength (Fired 5 hrs. at 1500ºF [816ºC]) ( MPa ) | 1.55 to 3.62 |
| Cold Crushing Strength (Fired 5 hrs. at 1500ºF [816ºC]) ( psi ) | 225 to 525 |
| Cold Crushing Strength (Fired 5 hrs. at Use Limit) ( MPa ) | 1.34 to 1.90 |
| Cold Crushing Strength (Fired 5 hrs. at Use Limit) ( psi ) | 195 to 275 |
| Modulus of Rupture (Dried 18-24 hrs. at 220ºF [104ºC]) ( MPa ) | 0.76 to 1.52 |
| Modulus of Rupture (Dried 18-24 hrs. at 220ºF [104ºC]) ( psi ) | 110 to 220 |
| Modulus of Rupture (Fired 5 hrs. at 1500ºF [816ºC]) ( MPa ) | 0.59 to 1.07 |
| Modulus of Rupture (Fired 5 hrs. at 1500ºF [816ºC]) ( psi ) | 85 to 155 |
| Modulus of Rupture (Fired 5 hrs. at Use Limit) ( MPa ) | 0.62 to 1.00 |
| Modulus of Rupture (Fired 5 hrs. at Use Limit) ( psi ) | 90 to 145 |
| Standard Packaging | 40# Bag |