Nano Silicon Nitride (Nano Si₃N₄, 50 nm) is an Ultra High Purity (UHP) nanoceramic material renowned for its exceptional mechanical strength, thermal shock resistance, and chemical stability. With a purity of ≥99.9 wt% and an average particle size of ≈50 nm, it combines high hardness with lightweight properties, making it indispensable for aerospace, electronics, energy, and advanced engineering applications.

Manufactured under precise impurity control, this Nano & UHP Grade Si₃N₄ powder offers superior fracture toughness, thermal stability, and oxidation resistance, ensuring long-term performance in harsh operating environments.

CAS No.: 12033-89-5
EINECS No.: 234-796-8
Chemical Formula: Si₃N₄
Molecular Weight: 140.28
Appearance: Grayish white fine powder
Grade: Nano & Ultra High Purity (UHP)

Specifications:
Purity (Si₃N₄): ≥99.9 wt%
Particle Size (D₅₀): ≈50 nm
O (Oxygen): ≤600 ppm
C (Carbon): ≤200 ppm
Fe (Iron): ≤100 ppm
Al (Aluminum): ≤80 ppm
Ca (Calcium): ≤50 ppm
Na (Sodium): ≤30 ppm

Key Features:
1) Ultra High Purity (≥99.9%) – Minimizes contamination and enhances reliability in high-performance systems.
2) High Mechanical Strength – Exceptional fracture toughness and flexural strength for mechanical and aerospace uses.
3) Thermal Shock Resistance – Maintains integrity under rapid temperature fluctuations.
4) Low Density – Excellent strength-to-weight ratio ideal for lightweight structural materials.
5) Chemical Inertness – Resistant to acids, alkalis, and molten metals, ensuring long service life.
6) Electrical Insulation – Stable dielectric behavior even at elevated temperatures.
7) Wear Resistance – Excellent abrasion and corrosion resistance for demanding industrial environments.

Applications:
1) Aerospace & Automotive: Turbine blades, engine parts, bearings, and lightweight structural materials.
2) Electronics & Semiconductors: Substrates, dielectric layers, and high-frequency components.
3) Energy Systems: Used in fuel cells, solar devices, and nuclear components.
4) Industrial Equipment: Cutting tools, mechanical seals, and wear-resistant coatings.
5) Medical Devices: Biocompatible materials for implants and surgical instruments.
6) Defense Applications: Lightweight armor and high-strength ballistic protection.

50 nm Nano Silicon Nitride (Si₃N₄), Nano & UHP Grade, offers a unique balance of mechanical strength, thermal endurance, and chemical resistance. Its superior nanostructure and purity make it ideal for aerospace, semiconductor, medical, and defense applications, where performance and reliability are paramount.