Aremco Ceramacast™ 645-N High Temperature Potting & Casting Material Silica

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Aremco Ceramacast™ 645-N High Temperature Potting & Casting Material Silica (discontinued **)
Categories:	Ceramic; Oxide; Silicon Oxide; Potting/Casting Ceramic
Material Notes:	Castable silicon dioxide ceramic with low thermal conductivity. Binder is MgO-P₂O₅ 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. 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.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Bulk Density	1.32 g/cc	0.0476 lb/in³	Powder
Porosity	<= 5.0 %	<= 5.0 %
pH	2.0 - 3.0	2.0 - 3.0
Viscosity	10000 cP	10000 cP	Mixed

Mechanical Properties	Metric	English	Comments
Compressive Strength	48.3 MPa	7000 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+9 ohm-cm	1.00e+9 ohm-cm
Dielectric Strength	11.8 kV/mm	300 kV/in

Thermal Properties	Metric	English	Comments
CTE, linear	2.70 µm/m-°C @Temperature 20.0 °C	1.50 µin/in-°F @Temperature 68.0 °F
Maximum Service Temperature, Air	1650 °C	3000 °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 - 120 min	60 - 120 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	100:21-23		powder:liquid
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.

Users of our Advanced Search (registration required) may exclude discontinued materials from search results.

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.

Users viewing this material also viewed the following:
UCAR Carbon UCAR® CGW Isostatic Molded Graphite
Momentive Performance Materials BNC1 Boron Nitride (BN) Refractory Composite
Du-Co Ceramics S-570 Silica
Saint-Gobain Quartzel® Fused Quartz Textiles
Aremco Ceramacoat™ 512-N High Temperature Potting & Casting Material Silica

ZCAREM47 / 588

Free Trade Publications, Click Here!

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message