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Ultracor® UCF-51-3/8-2.0 Honeycomb Core Material
Categories: Other Engineering Material; Composite Core Material

Material Notes: Construction: ±45° XN50. Fiber: Carbon XN50. Ultracor® is a very low density honeycomb core material designed for use in highly weight-sensitive structures.  It is expected that it will be used in spacecraft Antenna Reflectors, Optical Benches, Solar Arrays, and other lightly loaded structures which must be positioned with accuracy and stability in order to properly perform their intended purpose. It was developed using a space qualified, toughened, polycyanate matrix resin. General Ultracor® features include low density, design flexibility, low CTE, low CME, and high thermal conductivity.

Data provided by Ultracor Inc., formerly YLA Cellular Products Company.

Key Words: Carbon Fiber Composite Core Material; Carbon XN50
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Physical PropertiesMetricEnglishComments
Density 0.0320 g/cc0.00116 lb/in³core density
 
Mechanical PropertiesMetricEnglishComments
Compressive Yield Strength 1.41 MPa205 psi
Shear Modulus 0.331 GPa48.0 ksiribbon direction
Shear Strength 1.14 MPa165 psiribbon direction
 
Thermal PropertiesMetricEnglishComments
CTE, linear 4.50 µm/m-°C
@Temperature 20.0 °C
2.50 µin/in-°F
@Temperature 68.0 °F
across thickness
Thermal Conductivity 1.60 W/m-K11.1 BTU-in/hr-ft²-°Ftransverse to ribbon
 2.20 W/m-K15.3 BTU-in/hr-ft²-°Fribbon direction
 6.00 W/m-K41.6 BTU-in/hr-ft²-°Facross thickness

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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