| Whetstone Technology, L.L.C. |
| 891 Winfield Road Cabot, PA 16023 |
| Phone: 724-352-0255 Fax: 724-352-0256 |
| www.whetstone-ceramics.com |
| info@whetstone-ceramics.com |
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ALSTONE LW-AL
| ALSTONE LW-AL is a 2500F insulating castable designed for contact with molten aluminum. This product has excellent volume stability, strength and working characteristics. Designed for use in aluminum troughs, casting tables and over the road ladles. |
| TYPICAL PROPERTIES |
|---|
| WEIGHT REQUIRED FOR CONSTRUCTION: | EMPTY | 75 - 80 lb/ft3 |
| SERVICE TEMPERATURE RANGE: | EMPTY | 70F - 2500F |
| RECOMMENDED WATER RANGE: | EMPTY | 26% - 32% |
| COLD MODULAS OF RUPTURE (ASTM C 133) |
COLD CRUSHING STRENGTH (ASTM C 133) | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °F | psi | °F | psi | ||||||||||||||||||||
| 1000 | 250 - 450 | 1000 | 1000 - 2000 | ||||||||||||||||||||
| 1500 | 300 - 500 | 1500 | 1400 - 2200 | ||||||||||||||||||||
| 2000 | 350 - 550 | 2000 | 1300 - 1900 | ||||||||||||||||||||
| THERMAL CONDUCTIVITY
(ASTM C 1113) |
ABRASION LOSS
(ASTM C 704) | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Temp °F | Btu-in/hr-ft2-°F | °F | Loss, cc | ||||||||||||||||||||
| 500 | 3.1 | ||||||||||||||||||||||
| 1000 | 3.0 | ||||||||||||||||||||||
| 1500 | 2.9 | ||||||||||||||||||||||
| POROSITY
(ASTM C 20) |
BULK DENSITY
(ASTM C 20) | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °F | % | °F | Lb/ft3 | ||||||||||||||||||||
| 1000 | 44 - 48 | 1500 | 77 - 83 | ||||||||||||||||||||
| 2000 | 77 - 83 | ||||||||||||||||||||||
| CHEMISTRY (%): |
|---|
| Al2O3 | SiO2 | Fe2O3 | CaO | TiO2 | Alkalies |
|---|---|---|---|---|---|
| 50.04 | 35.72 | 1.28 | 9.86 | 1.67 | 1.07 |
ISSUED: 04-01
REVISED: