Chosun Refractories A80 Special High-Density Gunning Castable

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Chosun Refractories A80 Special High-Density Gunning Castable
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Information provided by Chosun Refractories via Korea Institute of Ceramic Engineering and Technology (KICET).
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Physical Properties	Metric	English	Comments

Bulk Density	2.72 g/cc @Temperature 1000 °C, Time 10800 sec	0.0983 lb/in³ @Temperature 1830 °F, Time 3.00 hour
	2.74 g/cc @Temperature 110 °C, Time 86400 sec	0.0990 lb/in³ @Temperature 230 °F, Time 24.0 hour
	2.78 g/cc @Temperature 1500 °C, Time 10800 sec	0.100 lb/in³ @Temperature 2730 °F, Time 3.00 hour
Porosity	15 % @Temperature 110 °C, Time 86400 sec	15 % @Temperature 230 °F, Time 24.0 hour
	16 % @Temperature 1500 °C, Time 10800 sec	16 % @Temperature 2730 °F, Time 3.00 hour
	19 % @Temperature 1000 °C, Time 10800 sec	19 % @Temperature 1830 °F, Time 3.00 hour

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.0073575 GPa @Temperature 110 °C, Time 86400 sec	1.0671 ksi @Temperature 230 °F, Time 24.0 hour
	0.010791 GPa @Temperature 1000 °C, Time 10800 sec	1.5651 ksi @Temperature 1830 °F, Time 3.00 hour
	0.01913 GPa @Temperature 1500 °C, Time 10800 sec	2.775 ksi @Temperature 2730 °F, Time 3.00 hour

Thermal Properties	Metric	English	Comments
Shrinkage	-0.200 % @Temperature 1500 °C, Time 10800 sec	-0.200 % @Temperature 2730 °F, Time 3.00 hour
	-0.150 % @Temperature 1000 °C, Time 10800 sec	-0.150 % @Temperature 1830 °F, Time 3.00 hour
	-0.0500 % @Temperature 110 °C, Time 86400 sec	-0.0500 % @Temperature 230 °F, Time 24.0 hour

Component Elements Properties	Metric	English	Comments
Al2O3	79 %	79 %
SiO2	18 %	18 %

Descriptive Properties
Main Applications	Blast furnace shaft
Material Required for Estimating (kg/m³)	2,750

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CCHOS227 / 124171

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