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Product #: SI-201

Product Description

Silicon tetraboride (SiB4) is a lightweight ceramic compound. It is electrically conductive, and has a low coefficient of thermal expansion. The NASA space shuttles had a coating of silicon tetraboride for use as a heat shield. It can be used as an abrasive, as well as a formed ceramic for use in gas turbines.

Product Cost

Quantities May be Limited
The pricing for this product is subject to fluctuation based on market rates, therefore real-time pricing is not available. We recommend requesting a quote to receive accurate pricing information, via the quote tool on this page. Our pricing is influenced by multiple factors, and we strive to provide the most precise and up-to-date pricing details to our valued customers.
Quantity (Grams) Price
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26-100 Grams Please Request a Quote
Note: Prices are subject to change without notice due to market conditions

Product Notes

100 gram minimum order

Can ship by UPS or FedEx

Standard Packaging: 500 gram, 1 kg bottles


Formula SiB4 71.33
Purity 99.9%
Particle Size -325 Mesh
Schedule B -
CAS CAS-12007-81-7
Melting Point 1870°C / 3398°F
Boiling Point -
Density -
Coef. of Expansion @ 20°C -
Crystal Structure Cubic
Electric Resistivity -
Composition Si: 39.37%, B: 60.63%




Semiconductor, Ceramic Material

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