Pyrotek Pyrocast ALF3 Low Cement Refractory Castable

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Pyrotek Pyrocast ALF3 Low Cement Refractory Castable
Categories:	Ceramic; Oxide; Aluminum Oxide; Silicon Oxide
Material Notes:	Pyrocast ALF3 is a low cement castable with a high-purity mullite base. It is suited for applications exposed to high erosion or aggressive alloys and/or atmospheres. Applications Aluminum melting and holding furnace linings Aluminum transfer launders Transfer ladles Advantages Outstanding hot strength High abrasion resistance Information provided by Pyrotek.
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Physical Properties	Metric	English	Comments

Density	2.691 g/cc	0.09722 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.0438 GPa @Temperature 816 °C	6.35 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	1.63 W/m-K @Temperature 260 °C	11.3 BTU-in/hr-ft²-°F @Temperature 500 °F
	1.66 W/m-K @Temperature 538 °C	11.5 BTU-in/hr-ft²-°F @Temperature 1000 °F
	1.70 W/m-K @Temperature 816 °C	11.8 BTU-in/hr-ft²-°F @Temperature 1500 °F
	1.89 W/m-K @Temperature 1093 °C	13.1 BTU-in/hr-ft²-°F @Temperature 1999 °F
Maximum Service Temperature, Air	1704 °C	3099 °F
Shrinkage	10.1 % @Temperature 954 °C	10.1 % @Temperature 1750 °F	Linear

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CPYRO174 / 1891

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