Pyrotek Pyrocast ALF2 Low Cement Refractory Castable

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Pyrotek Pyrocast ALF2 Low Cement Refractory Castable
Categories:	Ceramic; Oxide; Aluminum Oxide; Silicon Oxide
Material Notes:	Pyrocast ALF2 is a low cement castable with mullite base. It is suited for applications requiring high strength at elevated temperatures and abrasion resistance. Applications Aluminum melting and holding furnace linings Ladles Launders Degassing boxes De-mag boxes Advantages Outstanding hot strength High abrasion resistance Resistant to molten aluminum attack Information provided by Pyrotek.
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Physical Properties	Metric	English	Comments

Density	2.595 g/cc	0.09375 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.0441 GPa @Temperature 816 °C	6.40 ksi @Temperature 1500 °F	Hot
	0.0200 GPa @Treatment Temp. 110 °C	2.90 ksi @Treatment Temp. 230 °F	fired and cooled
	0.0300 GPa @Treatment Temp. 954 °C	4.35 ksi @Treatment Temp. 1750 °F	fired and cooled

Thermal Properties	Metric	English	Comments
Thermal Conductivity	1.56 W/m-K @Temperature 260 °C	10.8 BTU-in/hr-ft²-°F @Temperature 500 °F
	1.59 W/m-K @Temperature 538 °C	11.0 BTU-in/hr-ft²-°F @Temperature 1000 °F
	1.69 W/m-K @Temperature 816 °C	11.7 BTU-in/hr-ft²-°F @Temperature 1500 °F
	1.83 W/m-K @Temperature 1093 °C	12.7 BTU-in/hr-ft²-°F @Temperature 1999 °F
Maximum Service Temperature, Air	1704 °C	3099 °F
Shrinkage	0.10 % @Temperature 954 °C	0.10 % @Temperature 1750 °F	Linear

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CPYRO170 / 1887

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