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Goodfellow Leachable Ceramic (Silica, Zircon, Alumina)

Category Ceramic , Oxide , Silicon Oxide
Manufacturer Goodfellow
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Goodfellow Leachable Ceramic (Silica, Zircon, Alumina).pdf
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Material Notes:
SiO2 50/ZrSiO4 40/Al2O3 10This form of ceramic is used in the precision foundry industry. The tubes and rods are incorporated into molds in the lost wax process. Using this technique, very fine tolerances on diameter can be obtained. The ceramic is leached away by the using sodium hydroxide solution once the metal has solidified. This leachable ceramic has a high porosity, does not have an organic binder, but does absorb water.Information provided by Goodfellow.
Physical Properties Metric English Comments
Density 2.10 g/cc
0.0759 lb/in³
Water Absorption at Saturation 14 %
14 %
Porosity 25 %
25 %
apparent
Thermal Properties Metric English Comments
CTE, linear 1.98 µm/m-°C

@Temperature 20.0 - 1000 °C
1.10 µin/in-°F

@Temperature 68.0 - 1830 °F
Maximum Service Temperature, Air 1050 °C
1920 °F
Component Elements Properties Metric English Comments
Al2O3 10 %
10 %
SiO2 50 %
50 %
Descriptive Properties Value Comments
Chemical Resistance - Alkalis Poor
Chemical Resistance - Concentrated Acids Fair
Chemical Resistance - Dilute Acids Fair
Chemical Resistance - Halogens Fair
Chemical Resistance - Metals Good
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