Whetstone Technology
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

FERROSTONE 85 C

An 85% alumina, ultra-low cement, coarse aggregate castable

TYPICAL PROPERTIES

WEIGHT REQUIRED FOR CONSTRUCTION: EMPTY 180 lb/ft3
SERVICE TEMPERATURE RANGE: EMPTY 3200F
RECOMMENDED WATER RANGE: EMPTY 4.8% - 6.3%

HOT MODULAS OF RUPTURE
(ASTM C 583)
COLD CRUSHING STRENGTH
(ASTM C 133)
°Fpsi °Fpsi
15002200 - 3400 150011000 - 13000
20004500 - 6400 200027000 - 29000
25002000 - 2400 250021000 - 27000

THERMAL CONDUCTIVITY
(ASTM C 1113)
ABRASION LOSS
(ASTM C 704)
Mean Temp °FBtu-in/hr-ft2-°F °FLoss, cc
10008.6
15008.4
20009.1

POROSITY
(ASTM C 20)
BULK DENSITY
(ASTM C 20)
°F% °FLb/ft3
150016 - 19 1500178 - 183
200015 - 19 2000178 - 184


CHEMISTRY (%):

Al2O3SiO2 Fe2O3CaO MgOTiO2 Alkali
84.1911.980.960.34 0.031.980.52

ISSUED: 0401
REVISED: