High Purity Nitride Powder Aluminum Nitride AlN Boron Nitride hBN Silicon Nitride Si3N4 Titanium Nitride TiN Chromium Nitride CrN for Advanced Ceramics & PVD Coating

Aluminum Nitride (AlN)
Features: High thermal conductivity, electrical insulation, low dielectric loss, CTE matched with silicon, low oxygen, good sinterability
Application: IGBT substrate, power electronics, LED heat sink, thermal interface filler, semiconductor packaging, plasma resistant parts
Hexagonal Boron Nitride (h-BN)
Features: White graphite, thermally conductive & electrically insulating, self-lubricating, high temperature resistance, chemical inertness, non-wetting to molten metal
Application: Thermal conductive composite, casting release agent, high temp solid lubricant, evaporation boat, semiconductor substrate, aerospace wave-transparent parts
Silicon Nitride (Si₃N₄)
Features: High toughness & strength, excellent thermal shock resistance, wear-resistant, low density, anti-oxidation, corrosion resistant
Application: Ceramic bearing, cutting tool, turbine component, semiconductor handling parts, lithium battery calender roller, medical ceramic
Titanium Nitride (TiN)
Features: Ultra-hard, wear & corrosion resistant, conductive, golden color, good biocompatibility
Application: Tool & mold coating, decorative gold coating, semiconductor diffusion barrier, medical implant coating, cermet additive
Chromium Nitride (CrN)
Features: Superior corrosion resistance than TiN, high hardness, low friction, high oxidation resistance, conductive
Application: PVD hard coating, stamping mold, engine piston ring, CrAlN coating precursor, alloy additive, wear-resistant mechanical parts
1. Aluminum Nitride (AlN)
Aluminum nitride core selling point
Ultra-high thermal conductivity, electrical insulation, low dielectric loss, thermal expansion coefficient matching that of silicon, plasma corrosion resistance, high purity and low oxygen, powder metallurgy with good sintering activity.
AlN This is a type of advanced ceramic powder characterized by covalent bonding. It appears as a white, fine powder that combines excellent thermal conductivity with electrical insulation. With controllable oxygen content and a uniform particle size distribution, it is ideal for sintered substrates, thermally conductive composites, and sputtering targets—making it the premier material for thermal management in power electronics.
Applications of Aluminum Nitride (AlN)
IGBT/new energy power substrates, 5G high-frequency components, LED thermal management substrates, semiconductor packaging, fillers for thermally conductive silicone/pads, high-temperature vacuum crucibles, MEMS piezoelectric thin films, and heat-dissipation components for RF devices.
2. Hexagonal Boron Nitride (h-BN)
Often referred to as "white graphite," it offers electrical insulation combined with high thermal conductivity. It features a layered, self-lubricating structure, high-temperature oxidation resistance, and chemical inertness. It is non-wetting to molten metals, easy to process, and possesses a low coefficient of friction.
This white, graphite-like layered powder remains stable at temperatures exceeding 900°C and retains its lubricating properties even in a vacuum. It is non-toxic and resistant to acid and alkali corrosion. It is used as a thermally conductive filler, mold-release agent, and raw material for high-temperature insulating ceramics.
Applications of Boron Nitride (BN)
Fillers for thermally conductive plastics/gels, mold-release agents for metal casting, high-temperature solid lubricants, evaporation boats for vacuum coating, insulating substrates for semiconductors, microwave-transparent components for aerospace, cosmetic additives, and as a raw material for cubic boron nitride (CBN).
3. Silicon Nitride (Si₃N₄)
Known for high strength, high toughness, excellent thermal shock resistance, wear resistance, low density, and resistance to corrosion by molten metals and oxidation. It is a preferred material for high-temperature structural ceramics, characterized by a high α-phase content and strong sintering activity.
A gray to off-white powder with a covalently bonded structure, it is highly resistant to cracking under rapid thermal cycling. It features a low coefficient of friction and excellent corrosion resistance, making it suitable for manufacturing high-performance structural ceramics and wear-resistant components, widely used in extreme operating environments. Applications of Silicon Nitride
Ceramic bearings, cutting tools, engine components, turbine rotors, semiconductor wafer handling robots, high-temperature refractory parts, lithium-ion battery electrode rollers, pump and valve seals, biomedical ceramic components, and thermocouple protection tubes.
4. Titanium Nitride (TiN)
Characterized by high hardness, wear and corrosion resistance, metallic conductivity, a golden-yellow appearance, low friction, an extremely high melting point, and good biocompatibility; it is the primary material used for PVD coatings.
A golden-yellow to brownish-yellow powder, this hard metallic-ceramic nitride features high hardness and chemical stability. It is used to produce wear-resistant coatings, conductive ceramics, and cermet composite materials.
Applications of Titanium Nitride
Wear-resistant coatings for cutting tools and molds, decorative gold-colored coatings for jewelry and watches, diffusion barrier layers in semiconductors, coatings for medical implants, conductive electrodes, additives for cemented carbides, infrared-absorbing materials, and wear-resistant ceramic components.
5. Chromium Nitride (CrN)
Features high hardness, superior corrosion resistance (outperforming TiN), oxidation resistance, low friction, high-temperature stability, electrical conductivity, and antiferromagnetic properties; it serves as a core raw material for multi-component coatings (such as CrAlN).
An ultrafine black powder with strong chemical stability, it offers excellent resistance to acid and alkali corrosion as well as high-temperature oxidation. It is a popular material for high-end protective PVD coatings and is the preferred choice for applications involving wear and corrosion.
Applications of Chromium Nitride
Precision molds, stamping tools, piston rings, wear-resistant engine components, additives for stainless steel alloys, CrAlN composite coatings, protective films for hard disk drives, powder metallurgy, and corrosion-resistant mechanical components.