Silicon Carbide Plates & Sheets: High-Performance SiC Ceramic Solutions

Our silicon carbide plates (also referred to as SiC ceramic sheets) are engineered for environments where strength, thermal stability, and chemical resistance are non-negotiable. With near-diamond hardness and excellent heat conduction, these plates are ideal for advanced industrial settings and high-temperature applications.

 

Why Choose Our SiC Ceramic Plates?

  • Exceptional Wear Resistance – With hardness reaching Mohs ~9+, our SiC plates far outperform many metals in abrasive scenarios.
  • Superior Thermal Performance – High thermal conductivity paired with low thermal expansion ensures stability under heat cycling.
  • Chemical & Corrosion Resistance – Resists attack by acids, alkalis, and molten materials, making it suitable for harsh process conditions.
  • High Temperature Capability – Maintains mechanical integrity even at elevated temperatures (up to ~1600 °C).
  • Stable & Lightweight – High strength-to-weight ratio and minimal warpage under load or heat.

Technical Specifications

Property

Typical Value / Range

Color

Black / Charcoal

Density

~ 3.1 g/cm³

Flexural (Bending) Strength

~ 400 MPa

Compressive Strength

~ 2200 MPa

Elastic Modulus

~ 400 GPa

Fracture Toughness

~ 4 MPa·m½

Vickers Hardness

~21 GPa

Thermal Conductivity

~100 – 120 W/m·K

Coefficient of Thermal Expansion

~4 × 10⁻⁶ /K (20 °C–1000 °C)

Max Operating Temp (in air)

~ 1600 °C

Note: These are typical values for reference. Actual results may vary depending on SiC type and processing.

Types / Variants Available

To suit different application demands, we offer multiple SiC plate types:

  1. Reaction-Bonded Silicon Carbide (RB-SiC) – Cost-effective, good wear performance.
  2. Sintered Silicon Carbide (SSiC) – Highest density and mechanical strength.
  3. Recrystallized / High-Purity SiC – Ultra-pure variant for semiconductor, optics, or electronics uses.

Dimensions & Custom Options

  • Max Standard Size: Up to ~600 × 600 mm (larger panels available by request)
  • Thickness Range: From ~3 mm up to ~50 mm (or per your spec)
  • Surface Finishes: As-fired, ground, or polished
  • Tolerances & Flatness: ±0.005 mm flatness achievable
  • Custom Features: Pre-drilled holes, chamfers, cutouts, shaped profiles

We welcome custom orders — if your application needs non-standard dimensions or machining, we can work with you to deliver tailor-made SiC ceramic plates.

Typical Use Cases

These silicon carbide sheets shine in applications that demand robustness under extreme conditions. Examples:

  • High-Temperature Furnaces & Kilns – Plates for lining, supports, or burner components
  • Semiconductor & Microelectronics – Substrates, wafer carriers, thermal management parts
  • Abrasive Wear Environments – Liners, nozzles, protective shields
  • Power & Energy – Heat exchangers, solar thermal elements, support structures
  • Armor & Defense – Impact-resistant components
  • Advanced Equipment – Laser, RF, or high-power systems requiring high thermal and mechanical stability

Why Work With Us?

  • Over a decade of experience in advanced ceramics
  • ISO 9001 certified production
  • Full material traceability and documentation
  • Technical support from materials scientists
  • Careful packaging to protect plates during transit

Packaging & Handling

Each silicon carbide plate is packaged with precision to ensure no damage during handling and delivery. We pay special attention to corners, edges, and flatness preservation.