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Pyrotek Pyrocast AR-S Castable Refractory

Category	Ceramic , Oxide , Silicon Oxide
Manufacturer	Pyrotek, Inc.
Trade Name	Pyrocast
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Pyrotek Pyrocast AR-S Castable Refractory.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Pyrocast AR-S is a low cement, fused silica, castable refractory which exhibits excellent resistance to thermal shock. It is inert to liquid aluminum and its alloys. It is a high strength material offering outstanding resistance to erosion and mechanical damage.ApplicationsTransfer & stub troughs Launder linings Filter boxes Sheet ingot spouts Furnace tubes Cross-Feeders AdvantagesDimensionally stable Thermal shock resistant Easily cleaned Extremely durable Smooth cast surface Preheating unnecessary Non-wetting Information provided by Pyrotek.

Physical Properties	Metric	English	Comments
Density	1.99 g/cc	0.0719 lb/in³
Open Porosity	20 - 24 %	20 - 24 %

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.0120 GPa @Treatment Temp. 540 °C	1.74 ksi @Treatment Temp. 1000 °F
Compressive Strength	48.0 MPa	6960 psi	cured at 540°C

Thermal Properties	Metric	English
CTE, linear	1.80 µm/m-°C @Temperature 649 °C	1.00 µin/in-°F @Temperature 1200 °F
Thermal Conductivity	1.06 W/m-K @Temperature 260 °C	7.36 BTU-in/hr-ft²-°F @Temperature 500 °F
	1.10 W/m-K @Temperature 540 °C	7.63 BTU-in/hr-ft²-°F @Temperature 1000 °F
Maximum Service Temperature, Air	1100 °C	2010 °F
Shrinkage	-0.300 % @Temperature 540 °C	-0.300 % @Temperature 1000 °F

Component Elements Properties	Metric	English
Al2O3	16.5 %	16.5 %
CaO	1.6 %	1.6 %
Other	1.9 %	1.9 %
SiO2	80 %	80 %

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