Thermal Ceramics Kaocrete 250 C Low Cement Castables

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Thermal Ceramics Kaocrete 250 C Low Cement Castables
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Kaocrete 250C is a high-density, high-strength 3200°F (1760°C) low cement castable with excellent thermal shock resistance and good volume stability. Its low iron content and high hotstrengths provide excellent performance in extreme service conditions. General applications would be precast burner blocks and precast shapes. Features: High-strength low cement castables Closely controlled grain sizing Rival the low porosity and low hot load deformation of many dense firebricks Applications: Forge furnace hearths Door jambs Lintels and piers Cartops Rotary kiln nose rings, retainer rings and dams Rotary hearth curbs Walking beam furnace hearth Pusher furnace hearths Skid pipe protection Troughs for molten copper Information provided by Thermal Ceramics Data has not been recently verified. Please contact manufacturer for current information.
Vendors:

Available Properties

Density, Fired
Porosity, ASTM C20, Fired at 3000°F
Deformation, ASTM C16, load-25 psi, 1.5 hours at 2640°F
Modulus of Rupture, ASTM C133, Dried 18-24 hours at 220°F
Modulus of Rupture, ASTM C133
Modulus of Rupture, ASTM C133
Modulus of Rupture, ASTM C133
Modulus of Rupture, ASTM C133
Modulus of Rupture, ASTM C133
Modulus of Rupture, ASTM C133
Compressive Strength, ASTM C133, Fired 5 hours at 1500°F
Compressive Strength, Fired 5 hours at 3200°F
Compressive Strength, Dried for 18-24 hours at 220°F
Abrasion, ASTM C704, loss, cc`s; Fired 5 hours at 1500°F
Thermal Conductivity, ASTM C417
Thermal Conductivity, ASTM C417
Thermal Conductivity, ASTM C417
Thermal Conductivity, ASTM C417
Maximum Service Temperature, Air
Shrinkage, ASTM C113
Shrinkage, ASTM C113
Shrinkage, ASTM C113, Dried 18-24 hours
Shelf Life
Al2O3
Alkalis
CaO
Fe2O3
SiO2
TiO2

Property Data

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