Pyrotek Pyrocast AR70 Low-Density Refractory Castable

Category	Ceramic , Oxide , Silicon Oxide
Manufacturer	Pyrotek, Inc.
Trade Name	Pyrocast
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Pyrotek Pyrocast AR70 Low-Density Refractory Castable.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Pyrocast AR70 refractory castable is a high-strength, low-density refractory well suited for specific aluminum foundry applications.ApplicationsSprue Bushings for low pressure die casting Intermediate tube linings for low pressure die casting Riser inserts for gravity permanent mold casting AdvantagesLow density High strength and erosion resistance Non-wetting to molten aluminum Information provided by Pyrotek.

Physical Properties	Metric	English	Comments
Density	1.12 g/cc	0.0405 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.00690 GPa @Treatment Temp. 815 °C	1.00 ksi @Treatment Temp. 1500 °F	fired and cooled

Thermal Properties	Metric	English
Thermal Conductivity	0.300 W/m-K @Temperature 260 °C	2.08 BTU-in/hr-ft²-°F @Temperature 500 °F
	0.330 W/m-K @Temperature 538 °C	2.29 BTU-in/hr-ft²-°F @Temperature 1000 °F
Maximum Service Temperature, Air	850 °C	1560 °F
Shrinkage	0.100 % @Temperature 760 °C	0.100 % @Temperature 1400 °F

Component Elements Properties	Metric	English
Al2O3	20.6 %	20.6 %
CaO	15.4 %	15.4 %
Other	7.1 %	7.1 %
SiO2	56.9 %	56.9 %

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