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
Price	EMAIL US sales@lookpolymers.com

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
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
Al2O3	13 - 14 %	13 - 14 %
CaO	16 - 18 %	16 - 18 %
Fe2O3	<= 0.30 %	<= 0.30 %
SiO2	67 - 69 %	67 - 69 %

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