Beryllium Oxide
Nickname: 99% Beryllium Oxide, Beryllium (II) Oxide, Beryllium oxide (BeO).
【ＣＡＳ】 1304-56-9
Properties:
Chemical formula: BeO
Molar mass: 25.011 g·mol−1
Appearance: Colourless,vitreous crystals
Odor: Odourless
Density: 3.01g/cm3
Melting point: 2,507 °C (4,545 °F; 2,780 K)
Boiling point: 3,900 °C (7,050 °F; 4,170 K)
Solubility in water:0.00002 g/100 mL
Enterprise Specification for Beryllium Oxide
Symbol
Grade
Chemical Component
BeO
Foreign Mat.≤ppm
SiO2
P
Al2O3
Fe2O3
Na2O
CaO
Bi
Ni
K2O
Zn
Cr
MgO
Pb
Mn
Cu
Co
Cd
ZrO2
UMBO990
99.0%
99.2139
0.4
0.128
0.104
0.054
0.0463
0.0109
0.0075
0.0072
0.0061
0.0056
0.0054
0.0045
0.0033
0.0018
0.0006
0.0005
0.0004
0
UMBO995
99.5%
99.7836
0.077
0.034
0.052
0.038
0.0042
0.0011
0.0033
0.0005
0.0021
0.001
0.0005
0.0007
0.0008
0.0004
0.0001
0.0003
0.0004
0
Particle Size: 46〜74 Micron; Lot Size: 10kg, 50kg, 100kg; Packing: Blik drum, or paper bag.
What is beryllium oxide used for?
Beryllium oxide is used as many high-performance semiconductor parts for applications such as radio equipment. Used as a filler in some thermal interface materials such as thermal grease. Power semiconductor devices have used beryllium oxide ceramic between the silicon chip and the metal mounting base of the package to achieve a lower value of thermal resistance. Also used as a structural ceramic for high-performance microwave devices, vacuum tubes, magnetrons, and gas lasers.
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