Copper Powder

Copper powder (Cu) supplied in 99.5% · 99.7% · 99.9% · 99.99% grades, micron range, in dendritic, spherical, or irregular form. Used for powder metallurgy, electrical contacts, brazing pastes, additive manufacturing, conductive inks. Small quantities, prototypes and custom made-to-order specifications are welcome.

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99.5–99.99%Purity Grades

MicronParticle Size Range

Custom Made-to-OrderGrade, Size & Quantity

WorldwideExport Shipping

Copper Powder — Grades & Specifications

Copper (Cu) powder is supplied across a range of grades, particle sizes and morphologies. The options below are typical; specify your target values in the request form and we will confirm availability, lead time and pricing.

Material	Copper
Element symbol	Cu
CAS number	7440-50-8
Purity grades	99.5% · 99.7% · 99.9% · 99.99% (higher on request)
Particle size	Micron range, spherical (atomized) or dendritic (electrolytic) grades; target D50 specified per order
Morphology	Dendritic, spherical, or irregular
Appearance	Reddish-brown powder
Typical applications	Powder metallurgy, electrical contacts, brazing pastes, additive manufacturing, conductive inks

Applications by Industry

Powder metallurgyPressed and sintered structural and electrical components.

Electrical contactsFeedstock for electrical contact and brush materials.

Brazing pastesBraze alloy paste and preform feedstock.

Additive manufacturingFeedstock for metal 3D printing processes.

Conductive inks & pastesConductive filler for printed electronics.

Friction materialsComponent in brake pad and clutch friction formulations.

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
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 copper powder are available?

Copper powder is offered in 99.5% · 99.7% · 99.9% · 99.99% (higher on request) 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 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 copper powder be made to custom specifications?

Yes. Copper 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 copper 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 Copper 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