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Aremco

Aremco Ceramacast™ 646-N High Temperature Potting & Casting Material Zirconia
Categories: Ceramic; Oxide; Zirconium Oxide; Potting/Casting Ceramic

Material Notes: Castable ceramic with high dielectric and physical strength.

Cure:
Step 1. Dry for 8 hours minimum at room temperature.
Step 2. Bake at 200 ºF for 2–4 hours.
Step 3. Final cure at 250 ºF for 3 hours.
Step 4. Final cure at 450 ºF for 30–60 minutes if using HLB-1 Hydrophobic Liquid Binder.

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 1.86 g/cc0.0671 lb/in³Powder
Porosity <= 2.0 %<= 2.0 %
pH 2.0 - 3.02.0 - 3.0
Viscosity 9000 cP9000 cP
 
Mechanical PropertiesMetricEnglishComments
Compressive Strength 79.3 MPa11500 psi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+9 ohm-cm1.00e+9 ohm-cm
Dielectric Strength 9.84 kV/mm250 kV/in
 
Thermal PropertiesMetricEnglishComments
CTE, linear 5.58 µm/m-°C
@Temperature 20.0 °C
3.10 µin/in-°F
@Temperature 68.0 °F
Maximum Service Temperature, Air 1650 °C3000 °F
Shrinkage <= 0.30 %
@Temperature 538 °C
<= 0.30 %
@Temperature 1000 °F
 
Processing PropertiesMetricEnglishComments
Dry Time >= 8 hour>= 8 hourAir dry
Cure Time 300 - 420 min5.00 - 7.00 hour2-4 hrs at 200°F; 3 hrs at 250°F
Pot Life 60 - 120 min60 - 120 min
Shelf Life 12.0 Month12.0 Month
 
Descriptive Properties
Acid ResistanceGoodattacked by HF
Alkali ResistanceGood
BinderMgO-P2O5
ColorTan
Mix Ratio100:12-14
Moisture ResistanceGood

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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CAREM48 / 589

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