Copper Powders

Copper Powders

Water & Gas Atomized Copper Powders

MEPOSO produces copper powders using the newest atomising processes. Standard grades range from less than 45 to 500 micron sizes, available in spherical, dendritic and irregular morphologies to suit every industrial need.

With over 35 years of experience, we offer standard and custom grades tailored to your specific requirements. Our production processes ensure consistent quality, high purity and excellent batch-to-batch reproducibility.

Water Atomized

Gas Atomized

Custom Grades Available

High Purity (≥99.5%)

Spherical & Dendritic

45 – 1000 μm Range

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Product Range

Copper Powder Grades

Our comprehensive range of atomized copper powders covers all major industrial requirements. Each grade is optimized for specific applications and available in multiple particle size distributions.

CU-SF-

Gas Atomized

Composition Cu >99.5%

Particle Shape Spherical

Apparent Density 3.8 – 5.8 g/cm³

Grain Size <45 – 1000 μm

CU-EP-

Water Atomized

Composition Cu >99.5%

Particle Shape Dendritic

Apparent Density 0.7 – 3.0 g/cm³

Grain Size <45 – 315 μm

COPPER WM

Water Atomized

Composition Cu 99.5%

Particle Shape Irregular

Apparent Density 2.5 – 3.5 g/cm³

Grain Size <45 – 700 μm

CU-NI-

Gas Atomized

Composition Cu + Ni 0.5–5%

Particle Shape Spherical

Apparent Density 4.5 – 5.5 g/cm³

Grain Size <45 – 315 μm

COPPER PHOSPHORUS-CUP

Water / Gas Atomized

Composition Cu + P 6–15%

Particle Shape Irregular / Spherical

Apparent Density 2.5 – 4.5 g/cm³

Grain Size <45 – 700 μm

CUPRONI

Gas Atomized

Composition Cu + Ni 10–20%

Particle Shape Spherical

Apparent Density 3.5 – 5.5 g/cm³

Grain Size <45 – 700 μm

Specifications

Technical Summary

Overview of all copper powder grades. Custom specifications and particle size distributions available on request.

Grade	Composition	Shape	Density (g/cm³)	Grain Size (μm)	Method
CU-SF-	Cu >99.5%	Spherical	3.8 – 5.8	<45 – 1000	Gas atomized
CU-EP-	Cu >99.5%	Dendritic	0.7 – 3.0	<45 – 315	Water atomized
COPPER WM	Cu 99.5%	Irregular	2.5 – 3.5	<45 – 700	Water atomized
CU-NI-	Cu + Ni 0.5–5%	Spherical	4.5 – 5.5	<45 – 315	Gas atomized
CU PHOSPHORUS-CUP	Cu + P 6–15%	Irregular / Spherical	2.5 – 4.5	<45 – 700	Water / Gas atomized
CUPRONI	Cu + Ni 10–20%	Spherical	3.5 – 5.5	<45 – 700	Gas atomized

Applications

Industrial Applications

Our copper powders serve a diverse range of industries and applications worldwide.

Powder Metallurgy

Diamond Tools

Friction Materials

Structure Parts

Catalysts

Bronze Sintering Parts

Brazing Pastes

Electrical Contacts

Quality Assurance

Consistent Quality & Custom Solutions

Every batch of copper powder undergoes rigorous quality control testing including particle size distribution analysis, apparent density measurement, flow rate testing and chemical composition verification.

Our technical team works closely with customers to develop custom powder grades optimized for specific manufacturing processes. Whether you require a narrow particle size cut, a specific morphology or a tailored alloy composition, we can deliver.

ISO 4497 Sieve Analysis

ISO 3923-1 Density

SEM Morphology

Chemical Analysis

Water & Gas Atomized Copper Powders