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Momentive Performance Materials HOPG Graphite Monochromator

Category Carbon , Graphite
Manufacturer Momentive Performance Materials (Former GE Advanced Ceramics)
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Momentive Performance Materials HOPG Graphite Monochromator.pdf
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Material Notes:
Advanced Ceramics' graphite monochromators are highly oriented forms of high purity pyrolytic graphite which diffract x-rays and neutrons with greater efficiency than any other material. In x-ray analysis, intensity is increased 3 to 5 times over that obtained with conventionally used crystals. A singly-bent focusing monochromator using graphite yields 3 times the intensity of lithium fluoride at equivalent resolution. GE Advanced Ceramics originally introduced, and still offers, graphite monochromators with the lowest mosaic spread (>= 0.4°) available.Information provided by Momentive Performance Materials, formerly GE Advanced Ceramics.
Physical Properties Metric English Comments
Density 2.255 - 2.265 g/cc
0.08147 - 0.08183 lb/in³
Thermal Properties Metric English Comments
CTE, linear -0.100 µm/m-°C

@Temperature 20.0 °C
-0.0556 µin/in-°F

@Temperature 68.0 °F
Slightly negative in parallel (002) direction.
CTE, linear, Transverse to Flow 20.0 µm/m-°C

@Temperature 23.0 °C
11.1 µin/in-°F

@Temperature 73.4 °F
Thermal Conductivity 0.800 W/m-K
5.55 BTU-in/hr-ft²-°F
in perpendicular (002) direction
16.0 - 20.0 W/m-K
111 - 139 BTU-in/hr-ft²-°F
in parallel (002) direction
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000350 - 0.0000450 ohm-cm
0.0000350 - 0.0000450 ohm-cm
parallel (002) direction
0.150 - 0.250 ohm-cm
0.150 - 0.250 ohm-cm
perpendicular (002) direction
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