3M 6Ns Ultra High Purity Boron

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3M 6Ns Ultra High Purity Boron
Categories:	Ceramic
Material Notes:	Ceradyne, Inc., a 3M company, manufactures UHP boron products enriched in 11boron. These products are produced using a unique proprietary process that yields a high purity metallic product. The following general characteristics are applicable to UHP boron products. Some of these data are based on naturally-occurring boron and may not reflect other specific isotope concentrations. Information provided by 3M™
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Physical Properties	Metric	English	Comments

Specific Gravity	2.38 g/cc	2.38 g/cc
Molecular Weight	10.99 g/mol	10.99 g/mol
Surface Tension	1100 dynes/cm	1100 dynes/cm

Chemical Properties	Metric	English	Comments
Atomic Mass	11	11

Mechanical Properties	Metric	English	Comments
Tensile Modulus	460.48 GPa	66787 ksi	Young's
Shear Modulus	235.14 GPa	34104 ksi

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.80e+6 - 2.00e+6 ohm-cm	1.80e+6 - 2.00e+6 ohm-cm

Thermal Properties	Metric	English	Comments
Thermal Conductivity	27.2 W/m-K	188 BTU-in/hr-ft²-°F
Melting Point	2200 - 2300 °C	3990 - 4170 °F
Boiling Point	2550 °C	4620 °F

Component Elements Properties	Metric	English	Comments
Boron, B	99.9999 %	99.9999 %

Descriptive Properties
Hardness	3300 kg/mm²		Knoop-100 gram load
Impurities	<0.01 ppm		Sb
	<0.01 ppm		Se
	<0.01 ppm		Ag
	<0.01 ppm		As
	<0.01 ppm		Hg
	<0.02 ppm		CO2
	<0.02 ppm		Ge
	<0.025 ppm		Mn
	<0.03 ppm		Pb
	<0.03 ppm		Sn
	<0.04 ppm		Bi
	<0.05 ppm		Ni
	<0.07 ppm		Ga
	<0.1 ppm		Cd
	<0.1 ppm		Li
	<0.1 ppm		Cr
	<0.1 ppm		Cu
	<0.1 ppm		Ba
	<0.1 ppm		Sr
	<0.2 ppm		Al
	<0.5 ppm		Mg
	<0.5 ppm		Zn
	<0.5 ppm		P
	<0.5 ppm		Na
	<0.7 ppm		K
	<0.9 ppm		Ca
	<0.9 ppm		Fe
	<1 ppm		Si

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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