Aluminium Nitride Powder (AlN)

AlN powder supplied in 98%, 99% and 99.5% grades, sub-micron to micron particle sizes, in irregular / granular form. Used for substrates, heat sinks, thermal-management ceramics and electronic packaging. Small quantities, prototypes and custom made-to-order specifications are welcome.

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98–99.5%Purity Grades

Sub-micron–MicronParticle Size Range

Custom Made-to-OrderGrade, Size & Quantity

WorldwideExport Shipping

Aluminium Nitride Powder — Grades & Specifications

Aluminium nitride (AlN) powder is supplied across a range of purities and particle sizes for thermal-management and electronic-substrate applications. The options below are typical; specify your target values in the request form and we will confirm availability, lead time and pricing.

Material	Aluminium Nitride
Chemical formula	AlN
CAS number	24304-00-5
Purity grades	98% · 99% · 99.5% (higher on request)
Particle size	Sub-micron to micron; target D50 specified per order
Morphology	Irregular / granular
Crystal phase	Hexagonal (wurtzite) structure
Appearance	White to off-white/grey powder
Typical applications	Substrates, heat sinks, thermal-management ceramics, electronic packaging

Applications by Industry

SubstratesElectronic substrates requiring high thermal conductivity and electrical insulation.

Heat sinksThermal-management components for power electronics and LED modules.

Thermal-management ceramicsHousings and structural parts requiring efficient heat dissipation.

Electronic packagingChip carriers and packaging substrates.

LED submountsSubmount ceramics for high-brightness LED packages.

Technical ceramicsStructural and insulating components for demanding thermal environments.

Particle Size & Mesh Conversion

Reference for converting between US mesh and microns/millimetres. Figures are nominal sieve openings and may vary slightly by standard.

Mesh (US)	Micron (µm)	mm	Inch	Remarks
3	6730	6.730	0.2650
4	4760	4.760	0.1870
5	4000	4.000	0.1570
6	3360	3.360	0.1320
7	2830	2.830	0.1110
8	2380	2.380	0.0937
10	2000	2.000	0.0787
12	1680	1.680	0.0661
14	1410	1.410	0.0555
16	1190	1.190	0.0469
18	1000	1.000	0.0394
20	841	0.841	0.0331
25	707	0.707	0.0278
30	595	0.595	0.0234
35	500	0.500	0.0197
40	420	0.420	0.0165
45	354	0.354	0.0138
50	297	0.297	0.0117
60	250	0.250	0.0098
70	210	0.210	0.0083
80	177	0.177	0.0070
100	149	0.149	0.0059
120	125	0.125	0.0049
140	105	0.105	0.0041
—	100	0.100	0.0039	Sand
170	88	0.088	0.0035
200	74	0.074	0.0029
—	70	0.070	0.0027
230	63	0.063	0.0024	Human hair
—	55	0.055	0.00217
270	53	0.053	0.0021
—	50	0.050	0.00197
325	44	0.044	0.0017
—	40	0.040	0.00157
400	37	0.037	0.0015
550	25	0.025	0.00099
625	20	0.020	0.00079
1200	12	0.012	0.0005
1250	10	0.010	0.000394
—	7	0.007	0.000276
2500	5	0.005	0.000197
4800	3	0.003	0.000118
5000	2.5	0.0025	0.000099	Bacteria (approx.)
12000	1	0.001	0.0000394

Information Required for Quotation

Grade / purity (as applicable)
Particle size / target D50 (micron, nano, or mesh)
Morphology
Quantity
Application environment
Required delivery country

Lead time depends on grade, particle size, quantity and processing requirements. Export availability can be reviewed based on destination country and material type. A Certificate of Analysis can be provided on request.

Request a Quote or Custom Order

Tell us your grade, particle size and quantity. We typically reply within one business day.

Frequently Asked Questions

What purity grades of aluminium nitride powder are available?

Aluminium Nitride powder is offered in 98% / 99% / 99.5% purity. Other grades can be reviewed on request depending on your application and quantity.

What particle sizes can you supply?

Particle sizes are supplied in the sub-micron to micron range, with the target D50 specified per order. Mesh-based requirements are also accepted; a mesh-to-micron conversion reference is provided on the page.

Can aluminium nitride powder be made to custom specifications?

Yes. Aluminium Nitride powder is produced to order — grade, particle size, morphology and packaging can be customized to your specification. Please provide your target values in the request form.

What is the minimum order quantity (MOQ)?

Order quantity is flexible and small quantities and prototype requests are welcome. Please state your required quantity in the form for an accurate quotation.

Can you export and ship aluminium nitride powder internationally?

Yes, export inquiries are welcome. Availability and shipping are reviewed based on destination country, grade and quantity.

Do you provide a Certificate of Analysis (COA) or technical data?

A Certificate of Analysis and technical data (purity, particle size distribution) can be provided on request for supplied lots.

Request a Quote for Aluminium Nitride Powder

Send us your grade, particle size, quantity and application. We will review availability, quotation and lead time. Small quantities, prototypes and custom made-to-order specifications are welcome.

Request a Quote