Pyrotek Pyrocast AL3 Abrasion & Alkali Resistant Refractory Castable

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Pyrotek Pyrocast AL3 Abrasion & Alkali Resistant Refractory Castable
Categories:	Ceramic; Oxide; Aluminum Oxide; Silicon Oxide
Material Notes:	Pyrocast AL3 is suited for use in aluminum melting equipment and metal transfer areas where sever wear or alkali attack are a factor. Pyrocast AL3 is a high-purity mullite based refractory with low iron content. Applications Aluminum melting equipment Aluminum holding equipment Transfer troughs Ladle linings Advantages Outstanding hot strength Excellent abrasion resistance Resists alkali attack Resists molten aluminum attack Information provided by Pyrotek.
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Physical Properties	Metric	English	Comments

Density	2.675 g/cc	0.09664 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.0386 GPa @Temperature 816 °C	5.60 ksi @Temperature 1500 °F	Hot
	0.0200 GPa @Treatment Temp. 110 °C	2.90 ksi @Treatment Temp. 230 °F	fired and cooled
	0.0280 GPa @Treatment Temp. 954 °C	4.06 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	0.20 % @Temperature 954 °C	0.20 % @Temperature 1750 °F	Linear

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CPYRO172 / 1889

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