Sigma-Aldrich Silicon carbide, 400 mesh particle size, ≥97.5%

Sigma-Aldrich™ Silicon Carbide (SiC) is a high-quality semiconducting material supplied as a –400 mesh powder with a purity of ≥97.5%. Known also as carborundum or carbon silicide, silicon carbide is a robust material with exceptional thermo-mechanical strength, chemical resistance, and high-temperature stability.

Its hexagonal phase crystalline structure gives SiC unique electrical and thermal properties, making it a versatile material in electronics, optoelectronics, energy devices, and advanced material research.

Key Features

• High purity – ≥97.5% assay.
• Fine particle size – 400 mesh powder suitable for advanced processing.
• Thermal stability – melting point of ~2700 °C.
• High density – 3.22 g/mL at 25 °C.
• Greener alternative – designed for energy efficiency in alignment with Green Chemistry principles.
• Versatile applications – from abrasives to semiconductors and optoelectronics.

Applications

• Micro-structures – advanced ceramic and structural materials.
• Optoelectronic devices – LEDs, UV photodetectors.
• High-temperature electronics – nuclear and aerospace electronics.
• High-frequency devices – semiconductors and RF applications.
• Abrasives and coatings – surface finishing and wear-resistant materials.

Technical Specifications

Available Formats

Sigma-Aldrich™ Silicon Carbide, 400 Mesh, ≥97.5% offers researchers and engineers a reliable material with outstanding thermal, mechanical, and semiconducting properties. With its high purity, fine powder form, and compatibility across electronics, energy, and materials science applications, it is an essential product for advanced research and industrial use.