Aremco Ceramacast™ 673-N High Temperature Potting & Casting Material Silicon Carbide

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Aremco Ceramacast™ 673-N High Temperature Potting & Casting Material Silicon Carbide
Categories:	Ceramic; Carbide; Potting/Casting Ceramic
Material Notes:	Single-part castable ceramic exhibiting high strength and thermal conductivity. 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 ceramic and graphite adhesives are ideal for bonding, potting and sealing probes, sensors, halogen lamps, igniters, power resistors, cartridge heaters, filters, fiberoptics, honeycombs, and graphite structures to 3200°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

Density	1.80 g/cc	0.0650 lb/in³
Porosity	<= 4.0 %	<= 4.0 %
pH	2.0 - 3.0	2.0 - 3.0
Viscosity	12000 cP	12000 cP	mix

Mechanical Properties	Metric	English	Comments
Compressive Strength	34.5 MPa	5000 psi

Thermal Properties	Metric	English	Comments
CTE, linear	5.22 µm/m-°C @Temperature 20.0 °C	2.90 µin/in-°F @Temperature 68.0 °F
Maximum Service Temperature, Air	1370 °C	2500 °F
Shrinkage	<= 0.30 % @Temperature 538 °C	<= 0.30 % @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	2-4 hrs at 200°F; 3 hrs at 250°F
Pot Life	60.0 - 120 min	60.0 - 120 min
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Acid Resistance	Good		attacked by HF
Alkali Resistance	Good
Binder	MgO-P2O5
Color	Gray
Mix Ratio	100:9-11
Moisture Resistance	Good

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