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Pyrotek Pyrocast AR FINE 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 FINE Castable Refractory.pdf
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Material Notes:
Pyrocast AR Fine is a fine-grain fused silica castable, offering similar insulation properties, yet lighter weight that the Pyrocast AR formulation. Pyrocast AR Fine is suited for thin wall castings, or cast shapes with less than one inch cross section thickness. Parts cast form Pyrocast AR Fine are heat-treated as part of the manufacturing process to remove free and combined water.ApplicationsThimbles Hot-top table sections Transfer and stub troughs Launder linings Filter boxes Sheet ingot spouts Control pins Furnace tubes 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 1.86 - 1.89 g/cc
0.0672 - 0.0683 lb/in³
Mechanical Properties Metric English Comments
Modulus of Rupture 0.00850 GPa

@Temperature 725 °C
1.23 ksi

@Temperature 1340 °F
0.00615 GPa

@Treatment Temp. 650 °C
0.892 ksi

@Treatment Temp. 1200 °F
Compressive Strength 43.2 MPa
6270 psi
cured at 650°C
Thermal Properties Metric English Comments
CTE, linear 0.320 µm/m-°C

@Temperature 650 °C
0.178 µin/in-°F

@Temperature 1200 °F
Thermal Conductivity 0.590 W/m-K

@Temperature 400 °C
4.09 BTU-in/hr-ft²-°F

@Temperature 752 °F
0.710 W/m-K

@Temperature 550 °C
4.93 BTU-in/hr-ft²-°F

@Temperature 1020 °F
0.820 W/m-K

@Temperature 700 °C
5.69 BTU-in/hr-ft²-°F

@Temperature 1290 °F
Maximum Service Temperature, Air 760 °C
1400 °F
Exception: Not recommended for use in continuous casting applications.
Shrinkage 0.400 %

@Temperature 815 °C
0.400 %

@Temperature 1500 °F
Linear
Component Elements Properties Metric English Comments
Al2O3 29 %
29 %
CaO 11 %
11 %
SiO2 60 %
60 %
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