Thermal Ceramics Valcor® G-AZ

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Thermal Ceramics Valcor® G-AZ
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	The Valcor line of fired refractory shapes, manufactured by Thermal Ceramics, has a proven track record in molten glass contact applications. The shapes are engineered to meet precise customer specifications and are individually inspected. Features: Years of proven performance in molten glass contact applications Very smooth surface finish Hundreds of molds in stock Two compositions: G and G-AZ Individual part inspection Hundreds of standard molds in inventory Applications: Consumable molten glass contact refractory shapes stirrers plungers spouts feeder tubes skimmer blocks Burner blocks Information provided by Thermal Ceramics Data has not been recently verified. Please contact manufacturer for current information.
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Physical Properties	Original Value	Comments

Bulk Density	3.045 g/cc
Porosity	17 %	Apparent
Permeability	4.0	ft³/hr * ft² * in, psi
Deformation	0.20 %	at 25 psi; 1.5 hours at 2850°F

Mechanical Properties	Original Value	Comments
Modulus of Rupture	1.40 ksi @Temperature 1540 °C
	2.30 ksi @Temperature 1430 °C
	3.00 ksi @Temperature 23.9 °C
	3.00 ksi @Temperature 1260 °C

Thermal Properties	Original Value	Comments
CTE, linear	3.40 µin/in-°F @Temperature 20.0 °C
Melting Point	3200 °F
Shrinkage	0.40 % @Temperature 1650 °C, Time 18000 sec

Component Elements Properties	Original Value	Comments
Al2O3	64 %
Alkalis	0.20 %
Fe2O3	0.20 %
SiO2	12 %
TiO2	0.10 %
ZrO2	23 %

Descriptive Properties
MgO Content	traces

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CTHERM164 / 2484

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