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Aremco Products, Inc.

aremco.rtrk.com/?scid=996656&rl_alt=http...
Valley Cottage, NY 10989   map
Phone: 866-478-1464 (toll free)
Fax: 845-268-0041
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Product Catalog

SUPER-HEAT™ MgO CERAMIC

Item #: SUPER-HEAT™ MgO

Aremco's Super-Heat™ Magnesium Oxide ceramic is a fullyfired,fine grain, high purity material used in applications as high as 4000 °F (2200° C). This ceramic exhibits better chemical and temperature resistance than alumina and is inert to metals,slags, and superconductor compounds. Super-Heat™ is fabricated typically into high density, thin-walled crucibles, as well as custom shapes such as tubes, rods and plates.Isopressed, thicker parts can be fabricated to print.
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Item #: SUPER-HEAT™ MgO
Specifications
Item #:SUPER-HEAT™ MgO
Item Name:SUPER-HEAT™ MgO CERAMIC
Average Density:3.45 grams/cubic centimeter
Creep Temperature:2200 degrees Farenheit
1200 degrees Celcius
Purity:99.38 percent
Typical Application:Metal Alloy Processing…
such as nickel base superalloys and plutonium/uranium systems.

Superconductor Processing…
resistant to attack and non-contaminating 1–2–3 materials.

Piezoelectric Materials Processing…
resistant to lead based
Compositions:Magnesium Oxide
Ceramics Features:High Temperature
Typical Properties
Super-Heat™ High Density MgO consists of a fine grained microstructure with an open porosity of less than 1% and an average density of 3.45 gm/cc or 96% of theoretical. This composition includes a sintering aid of 3% yttrium oxide as a direct substitute for MgO.

Analysis
MgO99.38%Al2O3.03%
CaO.36%Fe2O3.07%
SiO2.14%B2O3.01%


Super-Heat™ parts are not resistant to thermal shock.Creep occurs above 2200 °F (1200 °C), so crucibles should be supported using MgO sand to prevent sagging. The maximum recommended ramp rate is 200 °C per hour.
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