Sinter Grade Silicon Carbide Powder

• High-purity Sinter Grade Silicon Carbide Powder
• Sintering Grade SiC Powder
• Silicon Carbide Ceramic Powder
• Excellent high-temperature strength
• Exceptional hardness
• Excellent wear and abrasion resistance
• Excellent thermal conductivity
• Low thermal expansion
• Excellent thermal shock resistance
• Excellent chemical and corrosion resistance
• Excellent dimensional stability
• High-temperature oxidation resistance
• Suitable for pressureless sintering
• Suitable for hot pressing
• Suitable for reaction-bonded SiC processing
• Suitable for advanced ceramic manufacturing
• Suitable for semiconductor components
• Suitable for mechanical seals and bearings
• Suitable for furnace and kiln components
• Suitable for wear-resistant components
• Suitable for heat exchangers
• Suitable for armor and ballistic ceramics
• Controlled particle-size distribution
• High-purity grades available
• Alpha-SiC and Beta-SiC grades available
• Custom powder specifications available
• COA available

Property	Specification
Product Name	Sinter Grade Silicon Carbide Powder
Chemical Name	Silicon Carbide
Chemical Formula	SiC
CAS Number	409-21-2
Material Type	Advanced Ceramic / Carbide
Purity	98%, 99%, 99.5%, 99.9%, Custom
SiC Content	Grade Dependent
Crystal Structure	Alpha (α) / Beta (β)
Color	Green / Gray / Black
Particle Size	Custom
D50	Custom
Particle Distribution	Controlled
Specific Surface Area	Custom
Bulk Density	Grade Dependent
True Density	~3.21 g/cm³
Mohs Hardness	~9–9.5
Thermal Conductivity	Grade Dependent
Thermal Expansion	Low
Thermal Shock Resistance	Excellent
Sinterability	Excellent / Grade Dependent
Surface Treatment	As-Supplied / Custom
Packaging	Bag / Drum / Custom

• Sinter Grade Silicon Carbide Powder
• Sintering Grade Silicon Carbide Powder
• High-Purity Sinter Grade SiC Powder
• 99% Silicon Carbide Powder
• 99.5% Silicon Carbide Powder
• 99.9% Silicon Carbide Powder
• Ultra-High-Purity SiC Powder
• Alpha Silicon Carbide (α-SiC) Powder
• Beta Silicon Carbide (β-SiC) Powder
• Submicron Silicon Carbide Powder
• Fine Silicon Carbide Sintering Powder
• Nano Silicon Carbide Powder
• Ceramic-Grade Silicon Carbide Powder
• Pressureless-Sintering SiC Powder
• Hot-Pressing SiC Powder
• Reaction-Sintering SiC Powder
• Injection-Molding-Grade SiC Powder
• Additive-Manufacturing-Grade SiC Powder
• Custom Silicon Carbide Powder

1. What is Sinter Grade Silicon Carbide Powder?

Sinter Grade Silicon Carbide Powder is specially controlled SiC powder designed to produce dense, high-performance silicon carbide ceramic components through sintering processes.

2. What is Sinter Grade SiC Powder used for?

It is used to manufacture advanced SiC ceramics, wear components, mechanical seals, bearings, furnace parts, semiconductor components, heat exchangers, armor ceramics, and high-temperature structural components.

3. What is the difference between abrasive-grade and sinter-grade Silicon Carbide Powder?

Abrasive SiC powder is optimized primarily for cutting, grinding, and abrasive performance. Sinter-grade SiC powder is engineered for controlled packing, particle distribution, purity, sinterability, and final ceramic density.

4. Can Sinter Grade SiC Powder be used for pressureless sintering?

Yes. Properly formulated pressureless-sintering silicon carbide powder is commonly used to manufacture dense SiC ceramic components without applying external pressure during the final sintering step.

5. What particle sizes are available?

REG Metals can source coarse, fine, submicron, and nano-scale SiC powders, including controlled D50 and particle-size distributions for specialized ceramic processing.

6. Are Alpha and Beta Silicon Carbide available?

Yes. Both Alpha Silicon Carbide (α-SiC) and Beta Silicon Carbide (β-SiC) powders can be sourced depending on the sintering method and desired ceramic properties.