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Pyrotek Pyrocast 220HT Refractory Castable

Category Ceramic , Carbide , 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 220HT Refractory Castable.pdf
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Material Notes:
Pyrocast 220HT is a high-performance refractory castable based on fused silica and silicon carbide.ApplicationsTransfer troughs Launder linings Filter boxes Pins and spouts AdvantagesThermal shock resistance High strength and erosion resistance High service temperature Non-wetting in continuous aluminum casting applications Non-wetting to aluminum alloys that contain high levels of Mg, Zn and Si Information provided by Pyrotek.
Physical Properties Metric English Comments
Density 2.115 g/cc
0.07641 lb/in³
Mechanical Properties Metric English Comments
Modulus of Rupture 0.0100 GPa

@Treatment Temp. 725 °C
1.45 ksi

@Treatment Temp. 1340 °F
ASTM C133-84
Compressive Strength 50.0 MPa
7250 psi
cured at 725°C, based on ASTM C133-84
Thermal Properties Metric English Comments
CTE, linear 1.80 µm/m-°C

@Temperature 100 - 1000 °C
1.00 µin/in-°F

@Temperature 212 - 1830 °F
Thermal Conductivity 0.790 W/m-K

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

@Temperature 752 °F
1.08 W/m-K

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

@Temperature 1020 °F
1.45 W/m-K

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

@Temperature 1290 °F
Maximum Service Temperature, Air 1100 °C
2010 °F
Recommended for use in continuous casting applications
Component Elements Properties Metric English Comments
Al2O3 10 %
10 %
CaO 3.0 %
3.0 %
Other 13 %
13 %
SiC 35 %
35 %
SiO2 39 %
39 %
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