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Pyrotek Insural® 140 Insulating Refractory Shapes for Aluminum

Category Ceramic , Oxide , Silicon Oxide
Manufacturer Pyrotek, Inc.
Trade Name Insural®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Pyrotek Insural® 140 Insulating Refractory Shapes for Aluminum.pdf
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Material Notes:
Insural® 140 Precast Shapes are designed for the containment of molten aluminum in hot top modules (cross feeder) and trough/launder applications.AdvantagesNear zero expansion avoids gaps at the joints Very resistant to cracking with thermal cycling Low density, highly insulating Not wetted by molten aluminum, for easy skull removal Hardness which runs throughout the thickness reduces risk of inclusions Information provided by Pyrotek.
Physical Properties Metric English Comments
Density 1.40 g/cc
0.0506 lb/in³
Mechanical Properties Metric English Comments
Modulus of Rupture 0.00450 GPa

@Temperature 23.0 °C
0.653 ksi

@Temperature 73.4 °F
0.00500 GPa

@Temperature 750 °C
0.725 ksi

@Temperature 1380 °F
Compressive Strength 20.0 MPa
2900 psi
Thermal Properties Metric English Comments
CTE, linear 3.90 µm/m-°C

@Temperature 20.0 °C
2.17 µin/in-°F

@Temperature 68.0 °F
Thermal Conductivity 0.430 W/m-K

@Temperature 449 °C
2.98 BTU-in/hr-ft²-°F

@Temperature 840 °F
hot face 548°C, cold face 350°C, mean - 449°C
0.460 W/m-K

@Temperature 607 °C
3.19 BTU-in/hr-ft²-°F

@Temperature 1120 °F
hot face 744°C, cold face 470°C, mean - 607°C
0.470 W/m-K

@Temperature 686 °C
3.26 BTU-in/hr-ft²-°F

@Temperature 1270 °F
hot face 842°C, cold face 529°C, mean - 686°C
Component Elements Properties Metric English Comments
Al2O3 13 - 14 %
13 - 14 %
CaO 16 - 18 %
16 - 18 %
Fe2O3 <= 0.30 %
<= 0.30 %
SiO2 67 - 69 %
67 - 69 %
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