Sharadaa Ceramics REFCAST LC90 Low Cement Castables

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Sharadaa Ceramics REFCAST LC90 Low Cement Castables
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Manufacturer offers a range of Low Cement Castables, that are available in varied alumina content and service range. Designed for abrasion resistance application, these are widely used in furnaces such as ladle back up lining, sintering furnace roof and soaking pit covers. Information provided by Sharadaa Ceramics Pvt. Ltd.
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Physical Properties	Original Value	Comments

Bulk Density	>= 3.00 g/cc	Dried at 110°C
Grain Size	<= 6000 µm

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.0137 GPa @Temperature 110 °C
	0.0196 GPa @Temperature 1100 °C
	0.0265 GPa @Temperature 1500 °C
Compressive Strength	1000 kg(f)/cm² @Temperature 110 °C	Cold Crushing
	1150 kg(f)/cm² @Temperature 1100 °C	Cold Crushing
	1300 kg(f)/cm² @Temperature 1500 °C	Cold Crushing
	250 kg(f)/cm² @Time 86400 sec	Cold Crushing

Thermal Properties	Original Value	Comments
Thermal Conductivity	2.32 W/m-K @Temperature 600 °C, Time 10800 sec
	2.56 W/m-K @Temperature 400 °C, Time 10800 sec
	2.73 W/m-K @Temperature 800 °C, Time 10800 sec
Maximum Service Temperature, Air	1700 °C

Component Elements Properties	Original Value	Comments
Al2O3	>= 90 %
Fe2O3	<= 1.8 %

Descriptive Properties
Permanent Linear Change	-0.2 - 0.2%	800°C
	-0.3 - 0.3%	1100°C
	-0.8 - 0.8%	1500°C
Refractoriness	>1820°C
Thermal Expansion	0.85	1000°C, Reversible
Water Required to Mix	4 - 5%

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