The hot-pressed silicon nitride (Si₃N₄) ceramic substrate, also known as a ceramic sheet, is a high-performance material made by precision hot pressing.It features high strength, excellent heat resistance, wear resistance, and electrical insulation, making it ideal for high-load and high-temperature applications.The hot-pressing process provides uniform density and a smooth, flat surface, suitable for use in electronics, machinery, aerospace, and other advanced industries.

• High Mechanical Strength
  Silicon nitride ceramics offer exceptional hardness and impact resistance. They can withstand high mechanical stress without cracking or deforming, making them ideal for use in demanding, high-stress environments.
• Excellent High-Temperature Resistance
  Capable of stable operation at temperatures above 1200°C, this material provides outstanding thermal stability and is well suited for use in high-temperature equipment and systems.
• Low Thermal Expansion
  With a low coefficient of thermal expansion (3.1 × 10⁻⁶ /°C), the material maintains dimensional stability under rapid temperature fluctuations, making it ideal for heat exchangers and furnace linings.
• Superior Wear Resistance
  Hot-pressed silicon nitride ceramics offer excellent wear resistance, ensuring long service life even under high-friction conditions.
• Outstanding Thermal Conductivity
  Despite their high mechanical strength, these ceramics maintain good thermal conductivity, making them suitable for use in cooling systems and heat exchangers.
• Excellent Electrical Insulation
  This ceramic material has high electrical insulation properties, making it ideal for use in electrical substrates and applications requiring dielectric performance.