Silicon Carbide

Silicon Carbide is an industrial-grade high-hardness wear-resistant material, divided into black/green types, with purity 95%-99%. Focusing on "high temperature resistance + high hardness", it fits metallurgical deoxidation, ceramic products, electronic heat dissipation scenarios, and is a key auxiliary in new energy and high-end manufacturing.

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Product Introduction

Overview & Characteristics

Production Process

Using quartz sand (SiO₂≥98%) and coke as raw materials, mixed into a 1800-2200℃ submerged arc furnace for smelting; after cooling, crushed, magnetic separated to remove impurities, graded into 0-1mm (fine powder) and 1-5mm (granule); tested by ICP to meet GB/T 2480-2021, delivered with CoA report.

Product Features

Indexes: Purity 95%-99%, hardness 9.2 Mohs, melting point 2700℃;

Advantages: Acid-alkali corrosion resistance, thermal conductivity 30% higher than alumina;

Compliance: Supports SGS/BV testing, meets RoHS standards.

Application Scenarios

Metallurgy: Steel deoxidizer to improve molten steel purity;

Ceramics: High-end industrial ceramics (seals, bearings);

Electronics: Heat dissipation substrates for new energy vehicle chips.

FAQ

Q: What are the key quality indicators for silicon carbide products?

A: Key indicators include SiC content (typically ≥97%), particle size distribution, free carbon and iron content. Semiconductor-grade products require control of micro-pipe density and crystal defects

Q: What precautions should be taken for storing and transporting silicon carbide?

A: Store in a cool, dry place with moisture-proof sealing. During transportation, avoid dust generation for powder forms as inhalation may cause respiratory irritation. The recommended dust concentration in the working environment is below 10mg/m³

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