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Nitride Powder

Aluminum Nitride AlN Ceramic Microsphere

Item No.: Tr- AlN microsphere
AlN has high thermal conductivity and electrical insulation , add AlN powder into the resin or plastic can significantly improve the thermal conductivity.
aluminum nitride AlN ceramic microsphere Properties

What is Aluminum Nitride AlN Ceramic Microsphere:

Aluminum Nitride is a non-oxide ceramic material composed of aluminum and nitrogen (AL-65.81%, N-34.19). 
The Aluminum Nitride chemical formula is AlN. 

AlN Ceramic Microsphere has high thermal conductivity (340W) and heat transfer performance after secondary laser melting alloying. Very low oxygen content (lt;0.1%), heat preservation, and thermal conductivity effect are obvious. Used in polymer resin, viscosity is not obvious, is currently a better high thermal conductivity insulation filler.

Ceramic spherical aluminum nitride was first synthesized in 1877. In the 1980s, AlN Ceramic Microsphere, as a Ceramic insulator, has been widely used in microelectronics due to its high heat transferability. Unlike beryllium oxide, AlN Ceramic Microsphere is non-toxic. Ceramic spherical aluminum nitride is treated with metal and can substitute alumina and beryllium oxide in many electronic instruments. Spherical ceramic AlN can be prepared by reducing aluminum oxide and carbon or directly nitriding metal aluminum. AlN Ceramic Microsphere is a kind of material connected by covalent bonds. It has a hexagonal crystal structure similar to zinc sulfide and wurtzite. Industrial-grade materials can only be made by hot pressing and welding. This material is very stable in an inert, high-temperature environment.

Product Performance of Aluminum Nitride AlN Ceramic Microsphere:

AlN has high thermal conductivity and electrical insulation; adding AlN powder into the resin or plastic can significantly improve thermal conductivity.


Features of Aluminum Nitride AlN Ceramic Microsphere:

Near spherical

High solid loading

Well flow ability

Sharp particle size distribution

High thermal conductivity

High electrical insulation

Specification of Aluminum Nitride AlN Ceramic Microsphere:
Item Tr-01 Tr-10 Tr-30 Tr-50 Tr-80 Tr-120
Average Particle Size (um) 1.0-1.2 5-10 20-40 40-60 70-90 110-130
Particle Shape Near spherical Near spherical Spherical Spherical Spherical Spherical
True Density (g/cm3) 3.26 3.26 >3.30 >3.30 >3.30 >3.30
Thermal conductivity (W/m·K) >170 >170 >170 >170 >170 >170
Bulk Density (g/cm3) 0.3-0.5 1.3-1.5 1.4-1.6 1.6-1.8 1.7-1.9 1.7-1.9
Tap Density (g/cm3) 0.7-0.9 1.6-1.8 1.8-2.0 1.8-2.0 1.9-2.1 1.9-2.1

Chemical Composition of Aluminum Nitride AlN Ceramic Microsphere:
AlN N Fe Mn O C Ca Si Ni
>99.5% ≥32% 0.04 0.0005 ≤0.42 0.02 ≤0.009 ≤0.045 0.0002

How is Aluminum Nitride AlN Ceramic Microsphere Produced? 

Spherical aluminum nitride ceramics were prepared by laser flame melting. The product has the advantages of high purity, uniform particle size distribution, clean surface, high sphericity, no residual impurities, easy dispersion, and good compatibility with organisms.


Applications of Aluminum Nitride AlN Ceramic Microsphere:

1. After the secondary laser melting and spherical alloying, the obtained AlN Ceramic Microsphere has uniform size and good fluidity, which improves the thermal conductivity and insulation of the material;

2. After melting, the surface of the AlN Ceramic Microsphere is treated with resistance to hydrolysis and oxidation, and the thermal conductivity exists for a long time after addition.

3. Ceramic spherical aluminum nitride has good injection molding performance. Used in composite materials, it has a good match with semiconductor silicon and good interface compatibility, which can improve the mechanical properties and thermal conductivity of composite materials;

4. Application in high thermal conductivity plastics: Modified AlN Ceramic Microsphere can greatly improve the thermal conductivity of plastics. It is mainly used in PVC plastics, polyurethane plastics, PA plastics, PP plastics, functional plastics, etc.


Storage Condition of Aluminum Nitride AlN Ceramic Microsphere:

The damp reunion will affect aluminum nitride (AlN) ceramic microsphere dispersion performance and using effects. Therefore, the aluminum nitride (AlN) ceramic microsphere should be sealed in vacuum packing and stored in a cool and dry room; the aluminum nitride (AlN) ceramic microsphere can not be exposed to air. In addition, the aluminum nitride (AlN) ceramic microsphere should be avoided under stress.


Packing & Shipping of Aluminum Nitride AlN Ceramic Microsphere:

We have many different kinds of packing, which depend on the aluminum nitride (AlN) ceramic microsphere quantity.

Aluminum nitride (AlN) ceramic microsphere packing: vacuum packing, 100g, 500g, 1kg/bag, 25kg/barrel, or as requested.

Aluminum nitride (AlN) ceramic microsphere shipping: could be shipped out by sea, by air, or by express as soon as possible once payment receipt.


Aluminum Nitride AlN Ceramic Microsphere supplier

Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12 years of experience in providing super high-quality chemicals and Nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.

If you are looking for a high-quality Aluminum Nitride AlN Ceramic Microsphere, please feel free to contact us and send an inquiry. ([email protected])

Aluminum Nitride Microsphere Properties

Other Names Aluminium nitride
CAS No. 24304-00-5
Compound Formula AlN
Molecular Weight 40.9882
Appearance White to pale yellow powder
Melting Point 2200 °C
Boiling Point 2517 °C (dec.)
Density 2.9 to 3.3 g/cm3
Solubility in H2O N/A
Electrical Resistivity 10 to 12 10x Ω-m
Poisson's Ratio 0.21 to 0.31
Specific Heat 780 J/kg-K
Thermal Conductivity 80 to 200 W/m-K
Thermal Expansion 4.2 to 5.4 µm/m-K
Young's Modulus 330 GPa
Exact Mass 40.9846
Monoisotopic Mass 40.9846

Aluminum Nitride Microsphere Health & Safety Information

Remarks Danger
Hazard Statements H314-H335
Hazard Codes Xi
Risk Codes 36/37/38
Safety Statements 26-37/39
RTECS Number N/A
Transport Information N/A
WGK Germany 3

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