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Silicon hexaboride (SiB6)

SiB6=92.95,density:3.0g/cm3,smelting point: 2200℃,Glossy black-gray powder, insoluble in water, resistant to oxidation, thermal shock, and chemical abrasion, especially with high strength and stability under thermal shock.
Molecular weight:93.03
Density:2.43 g/cm3
Colour:gray
Melting point:1950 °C
Formula: SiB6
CAS NO.:12008-29-6
EINECS (EC NO.):234-535-8
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Silicon hexaboride
Product Description
SiB6=92.95,density:3.0g/cm3,smelting point: 2200℃,Glossy black-gray powder, insoluble in water, resistant to oxidation, thermal shock, and chemical abrasion, especially with high strength and stability under thermal shock. It has excellent thermoelectric properties. It is used as a P-type high temperature thermoelectric material to replace boron carbide, and its hot end temperature can reach 1200°C. it can be used as engineering ceramic materials, sandblasting nozzles, blades of gas engines and other special-shaped sintered parts and seals.
Product Features
1.High purity: the highest purity can reach 99.99%, XRD detect no impurity phase, GDMS detect low metal impurity element content;
2.Concentrated distribution: standard normal particle size distribution, no bimodal or multimodal.
Technical Specification
Model APS(D50) Purity(%) O(%) C(%) Si(%) B(%)
SiB60020 1.0-3.0um >99.5 ≤.0.8 ≤0.05 30.2~33.8 66.2~69.8
SiB60008 -325mesh >99.9 ≤0.5 ≤0.05 30.2~33.8 66.2~69.8
Customized chemical composition and particle size can be made according to customer requirements.
 
Element Max Typical Element Max Typical Element Max Typical
Al 0.0010 0.0005 Fe 0.0500 0.0300 P 0.0010 0.0005
As 0.0010 0.0005 K 0.0020 0.0010 Pb 0.0003 0.0001
Bi 0.0003 0.0001 Mg 0.0020 0.0010 S 0.0010 0.0005
Ca 0.0015 0.0006 Mn 0.0010 0.0005 Sb 0.0020 0.0010
Cd 0.0005 0.0001 Mo 0.0030 0.0015 Ta 0.0050 0.0030
Co 0.0005 0.0001 Na 0.0020 0.0005 Sn 0.0003 0.0001
Cr 0.0050 0.0020 Ni 0.0050 0.0030 Ti 0.0050 0.0020
Cu 0.0003 0.0001 Nb 0.0030 0.0010 V 0.0050 0.0010
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