ULPMAT

Silicon Nitride

Chemical Name:
Silicon Nitride
Formula:
Si3N4
Product No.:
140700
CAS No.:
12033-89-5
EINECS No.:
234-796-8
Form:
Powder
HazMat:
Product ID Formula Purity Dimension Inquiry
140700PD001 Si3N4 99% D50<1μm Inquire
140700PD002 Si3N4 99% 20 nm Inquire
140700PD003 Si3N4 99% 15-20 nm Inquire
140700PD004 Si3N4 99.9% D50<10μm Inquire
140700PD005 Si3N4 99.9% D50<2μm Inquire
140700PD006 Si3N4 99.5% -150 + 40 μm Inquire
Product ID
140700PD001
Formula
Si3N4
Purity
99%
Dimension
D50<1μm
Product ID
140700PD002
Formula
Si3N4
Purity
99%
Dimension
20 nm
Product ID
140700PD003
Formula
Si3N4
Purity
99%
Dimension
15-20 nm
Product ID
140700PD004
Formula
Si3N4
Purity
99.9%
Dimension
D50<10μm
Product ID
140700PD005
Formula
Si3N4
Purity
99.9%
Dimension
D50<2μm
Product ID
140700PD006
Formula
Si3N4
Purity
99.5%
Dimension
-150 + 40 μm

Silicon Nitride Powder Overview

Silicon Nitride (Si3N4) powder is a high-performance engineering ceramic material widely used in advanced structural and functional applications. It is known for its excellent mechanical strength, thermal stability, and wear resistance.

As a non-oxide advanced ceramic, Si3N4 powder is widely used in industries requiring high reliability under extreme mechanical and thermal conditions.

We offer a continuous supply of silicon nitride powder products suitable for various process requirements, supporting technical communication and application matching. Please contact us directly for detailed information.

What is Silicon Nitride (Si3N4) Powder?

Silicon Nitride powder is an advanced ceramic material used in engineering ceramics, high-temperature components, and wear-resistant applications. It provides a balance of strength, thermal stability, and chemical resistance that makes it suitable for demanding industrial environments.

Mechanical and Thermal Properties of Silicon Nitride Powder

Silicon Nitride powder offers a combination of advanced ceramic properties:

– High fracture toughness
– Excellent thermal shock resistance
– High wear resistance
– Low thermal expansion coefficient
– Stable performance at high temperatures

These properties make Si3N4 suitable for structural ceramic and high-performance industrial applications.

Applications of Silicon Nitride Powder in Industrial Ceramics

Silicon Nitride powder is widely used in a variety of industrial applications, including:

– Structural ceramic components
– Bearing and rolling elements
– Cutting tools and wear-resistant parts
– Aerospace engineering components
– Automotive engine components
– Semiconductor equipment parts

Silicon Nitride Powder Supplier and Manufacturer for Advanced Ceramics

We supply high purity Silicon Nitride powder for engineering ceramic applications. As a professional ceramic material supplier, we provide consistent quality, controlled particle size distribution, and customized specifications for industrial customers.

Our Si3N4 powder is suitable for research, industrial production, and advanced ceramic manufacturing.

Processing and Sintering of Silicon Nitride Ceramic Powder

Silicon Nitride powder is suitable for sintering, hot pressing, and advanced ceramic forming processes. It can be engineered with different particle sizes and phase compositions (α-Si3N4 / β-Si3N4) depending on application requirements.

Technical Specifications

Property Value
Chemical Formula Si3N4
Purity 99% 99.5% 99.9%
Phase α / β Silicon Nitride
Particle Size Customizable (nm–µm)
Density ~3.2 g/cm³
Application Engineering ceramics

Q1:What is Silicon Nitride powder used for?

A1:Used in structural ceramics, wear-resistant components, bearings, cutting tools, and high-temperature industrial applications.

Q2:Is Silicon Nitride suitable for high temperature environments?

A2:Yes, it has excellent thermal stability and maintains mechanical strength under extreme temperature conditions.

Q3:What industries use Si3N4 powder?

A3:Aerospace, automotive, industrial machinery, semiconductor equipment, and advanced ceramics industries.

Q4:What is the advantage of Silicon Nitride compared to other ceramics?

A4:It offers superior fracture toughness, thermal shock resistance, and wear resistance compared to many conventional ceramic materials.

Quality Documentation and Test Reports

Each batch of Silicon Nitride powder can be supplied with the following documentation:
Certificate of Analysis (COA)
Technical Data Sheet (TDS)
Material Safety Data Sheet (MSDS)
Third-party testing reports available upon request (available upon request)

Application-Oriented Supply of Advanced Ceramic Powders

We provide high-quality Silicon Nitride (Si3N4) powder for engineering ceramic applications, focusing on material consistency, stable performance, and reliable supply for industrial production.

Our products are designed to meet the requirements of high-performance ceramic manufacturing processes.

Technical Resources

Learn how thermal shock resistance, plasma stability, and phase composition influence silicon nitride ceramic performance in semiconductor and high-temperature applications.

Molecular Formula: Si3N4
Molecular Weight: 140.28 g/mol
Appearance: Light gray powder
Density: 3.17 g/cm³
Melting Point: 1900 °C (decomposes)
Crystal Structure: Hexagonal (α-Si3N4); Tetragonal or rhombohedral (β-Si3N4)

Inner Packaging: Vacuum-sealed bags and boxed to prevent contamination and moisture.

Outer Packaging: Cartons or wooden crates selected based on size and weight.

SKU 140700PD Category Tags: Brand:

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