Aremco Ceramacast™ 900-N High Temperature Potting & Casting Zirconium Silicate

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Aremco Ceramacast™ 900-N High Temperature Potting & Casting Zirconium Silicate (discontinued **)
Categories:	Ceramic; Oxide; Silicon Oxide; Potting/Casting Ceramic
Material Notes:	High Density, High Strength Molding Compound. Binder is MgO-P₂O₅ Cure: Step 1. Dry for 8 hours minimum at room temperature. Step 2. Bake at 200ºF for 2–4 hours. Step 3. Final cure at 250ºF for 3 hours.
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. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Bulk Density	1.56 g/cc	0.0562 lb/in³	Powder
Porosity	<= 2.0 %	<= 2.0 %
pH	2.0 - 3.0	2.0 - 3.0
Viscosity	20000 cP	20000 cP	Mixed

Mechanical Properties	Metric	English	Comments
Compressive Strength	77.2 MPa	11200 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+9 ohm-cm	1.00e+9 ohm-cm
Dielectric Strength	4.92 kV/mm	125 kV/in

Thermal Properties	Metric	English	Comments
CTE, linear	5.04 µm/m-°C @Temperature 20.0 °C	2.80 µin/in-°F @Temperature 68.0 °F
Maximum Service Temperature, Air	1540 °C	2800 °F
Shrinkage	<= 1.0 % @Temperature 538 °C	<= 1.0 % @Temperature 1000 °F

Processing Properties	Metric	English	Comments
Dry Time	>= 8 hour	>= 8 hour	Air dry
Cure Time	300 - 420 min	5.00 - 7.00 hour	see notes
Pot Life	45.0 min	45.0 min
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Acid Resistance	Good		attacked by HF
Alkali Resistance	Good
Color	Off White
Mix Ratio	100:11-13		powder:water
Moisture Resistance	Good

**
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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ZCAREM46c / 256031

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