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
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

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
Al2O3	10 %	10 %
CaO	3.0 %	3.0 %
Other	13 %	13 %
SiC	35 %	35 %
SiO2	39 %	39 %

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