Micro Molybdenum Disilicide Powder

Excellent High-Temperature Stability

• Performs in extreme heat environments.
• High melting point.
• Suitable for refractory applications.

Outstanding Oxidation Resistance

• Forms a protective silicon dioxide (SiO₂) layer at elevated temperatures.
• Extends component service life.
• Reduces oxidation in air.

High Purity

• Controlled chemical composition.
• Consistent batch-to-batch quality.
• Suitable for demanding industrial applications.

Excellent Electrical Conductivity

• Ideal for electric heating elements.
• Stable electrical performance at elevated temperatures.
• Reliable resistive heating characteristics.

Controlled Micron Particle Size

• Uniform particle size distribution.
• Excellent flowability.
• Optimized for powder metallurgy and thermal spray processes.

Excellent Thermal Shock Resistance

• Handles repeated heating and cooling cycles.
• Reliable in high-temperature processing equipment.

Property	Specification
Product Name	Micro Molybdenum Disilicide Powder
Chemical Formula	MoSi₂
CAS Number	12136-78-6
Appearance	Gray Metallic Powder
Purity	High Purity (Custom Grades Available)
Particle Size	Micron Size (Custom PSD Available)
Melting Point	Approximately 2,030°C
Density	Approximately 6.24 g/cm³
Packaging	Bottles, Vacuum Bags, Drums, Custom Packaging
Certification	Certificate of Analysis (COA) Available

• High Purity Grade
• Thermal Spray Grade
• Powder Metallurgy Grade
• Ceramic Grade
• Research Grade
• Electronic Materials Grade
• Industrial Grade
• Custom Particle Size Distributions

Common particle sizes include:

• 1–5 µm
• 5–10 µm
• 10–45 µm
• 45–75 µm
• Custom micron sizes available upon request

• Heating elements
• Thermal spray coatings
• Powder metallurgy
• Advanced ceramics
• Aerospace components
• Semiconductor equipment
• High-temperature coatings
• Research and development

1. What is Micro Molybdenum Disilicide Powder?

Micro Molybdenum Disilicide Powder (MoSi₂) is a refractory intermetallic powder used in high-temperature heating elements, thermal spray coatings, ceramics, powder metallurgy, and oxidation-resistant applications due to its excellent thermal stability and oxidation resistance.

2. What industries use Micro Molybdenum Disilicide Powder?

It is commonly used in aerospace, semiconductor manufacturing, industrial furnace production, advanced ceramics, thermal spray coatings, powder metallurgy, electronics, and research laboratories.

3. What particle sizes are available?

REG Metals supplies micron-sized MoSi₂ powder in standard ranges including 1–5 µm, 5–10 µm, 10–45 µm, 45–75 µm, and custom particle size distributions.

4. What are the advantages of molybdenum disilicide powder?

Key advantages include exceptional oxidation resistance, high melting point, excellent electrical conductivity, thermal shock resistance, chemical stability, and reliable high-temperature performance.

5. Does REG Metals provide a Certificate of Analysis (COA)?

Yes. Every shipment can be supplied with a Certificate of Analysis (COA), chemical composition reports, particle size analysis, and complete lot traceability.

6. Can REG Metals supply custom purity levels and packaging?

Yes. We offer custom purity grades, particle size distributions, laboratory quantities, production volumes, and specialized packaging to meet customer requirements.