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Aremco

Aremco Ceramacast™ 575 Alumina Fine Grain Potting Compound  (discontinued **)
Categories: Ceramic; Oxide; Aluminum Oxide; Potting/Casting Ceramic

Material Notes: Hydraulic setting. Fine grain castable for potting and producing small tools. Used in the production of temperature probes, electrical feed-throughs, large heat treating fixtures, induction coils and crucibles. Supplied in powder form and are mixed with water to develop a strong hydraulic bond. Typically air set in 24 hours, then cured at 250 ºF for 2-4 hours to provide maximum electrical and mechanical properties.

Key Words: compounds, casting, ceramics, aluminas, oxides
Vendors: Aremco’s Ceramacast casting and potting compounds represent the most expansive line of products based on aluminum oxide, aluminum nitride, magnesium oxide, silicon dioxide, silicon carbide, zirconium oxide, and zirconium silicate for applications to 3000°F (1760°C). Visit us today at Aremco.com or call 1 (845) 268-0039 to speak with an engineer.

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Physical PropertiesMetricEnglishComments
Bulk Density 1.44 g/cc0.0520 lb/in³Powder
Open Porosity <= 6.0 %<= 6.0 %
pH 3.0 - 4.03.0 - 4.0
Viscosity 16000 cP16000 cPMixed. Ratio 100-to-19-22 powder-liquid
 
Mechanical PropertiesMetricEnglishComments
Compressive Strength 52.0 MPa7540 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+9 ohm-cm1.00e+9 ohm-cm
Dielectric Strength 5.90 kV/mm150 kV/in
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.70 µm/m-°C
@Temperature 20.0 °C
4.28 µin/in-°F
@Temperature 68.0 °F
Thermal Conductivity 17.9 W/m-K124 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 1650 °C3000 °F
Shrinkage <= 1.0 %
@Temperature 538 °C
<= 1.0 %
@Temperature 1000 °F
 
Processing PropertiesMetricEnglishComments
Pot Life 120 - 180 min120 - 180 min
Shelf Life 12 Month12 Month
 
Descriptive Properties
Acid ResistanceGood
Alkali ResistanceGood
ColorWhite
Moisture ResistanceGood

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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ZCAR031 / 512

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