Copper Powder

With an unwavering commitment to excellence, MetalsTek Engineering delivers high-purity Copper Powders to clients worldwide.

Copper Powder, Cu

Copper Powder, Cu

Materials: Copper

Purity: 98%~99.9999%

Properties: Reddish Lustrous, 1,083°C M.P., 8.92 g/cc Density

Form: Powder, Spherical Powder

Size: Tailored Sizes

Spherical Copper Powder- 3D Printing Use

Spherical Copper Powder- 3D Printing Use

Materials: Copper, Cu

Purity: 99.9%

Form: Spherical Powder

Size: 50nm, 300nm, 1µm, or Customized

Specifications of Spherical Copper Powder

Item

Particle Size

Purity (%)

Specific Area (m2/g)

Bulk Density (g/cm3)

Density (g/cm3)

Form

Color

CP29S-50nm

50nm

99.9

15

0.2

8.9

Spherical

Brown

CP29S-300nm

300nm

99.9

4

1

8.9

Spherical

Red Brown

CP29S-1um

1um

99.9

2.5

7.5

8.9

Spherical

Red Brown

Copper Powder for Thermal Spraying

copper-powder-for-thermal-spraying

Materials: Copper, Cu

Purity: 99%~99.95%

Form: Spherical Gas Atomized

Size: -75 +31µm, -90 +38µm, or Customized

Copper Powder for Diamond Tools

copper_powder_for_diamond_tools-removebg-preview

Materials: Copper, Cu

Compositions: Cu:99.5 Fe:0.02 Sb:0.01 S:0.004 Pb:0.05

Purity: 99.5%

Form: Spherical Powder

Size: 45μm, 53μm, 75μm, or Customized

Description

Copper and copper compound powders exhibit a wide range of properties and applications across various industries. Copper powder is known for conferring nonsparking and fungicidal properties to oxychloride cements, while copper, lead, and zinc powders are used to coat petroleum drilling pipe threads. In paste form, copper and copper alloy powders serve as filler metals for brazing steel and copper alloy parts, offering controlled deposition and the ability to dispense in irregular shapes. These powders find applications in furnace brazing of carbon and alloy steel parts, stainless steels, and other metal alloys, with brazing temperatures typically around 2050°F (1,130°C). Additionally, copper powder acts as a catalyst in chemical operations, precipitating various metals from solutions while leaving others in solution.

Applications

  1. Electrical Contacts: Copper powders are utilized in the fabrication of electrical contacts for switches, relays, and connectors due to their high electrical conductivity and resistance to oxidation.
  2. Conductive Pastes: Copper powders serve as key components in conductive pastes used for printed circuit board (PCB) manufacturing, electronic packaging, and thick-film resistors, enabling the creation of conductive pathways in electronic devices.
  3. Catalysts: Copper compound powders, such as copper oxide (CuO), are employed as catalysts in chemical reactions, including hydrogenation, oxidation, and carbon monoxide conversion, in industries such as petrochemicals and pharmaceuticals.
  4. Energy Storage: Copper powders are utilized in battery electrode formulations to enhance electrical conductivity and improve the performance of lithium-ion batteries, supercapacitors, and other energy storage devices.
  5. Antifouling Coatings: Copper compound powders, particularly copper oxide (CuO), are incorporated into antifouling coatings for marine applications, preventing the growth of algae, barnacles, and other marine organisms on ship hulls and underwater structures.

Packaging

Our Copper Powder is clearly labeled externally to ensure efficient identification and quality control. We take great care to prevent any damage during storage or transportation.

Request A Quote
Attach a Drawing
*Company e-mail address is preferred. 

Copper Powder, Copper Oxide Powder, and Spherical Powder for 3D Printing: Applications & Advantages

Imagine being able to print electronic components, heat exchangers, or even antimicrobial surfaces—all using copper-based powders in 3D printing. It’s not science fiction—it’s the future of additive manufacturing. The evolution of 3D printing technology has opened up new avenues for the use of copper in industries like electronics, aerospace, and healthcare, making copper-based powders essential for innovation.

In this article, we explore the different types of copper powder, copper oxide powder, and spherical copper powder, their key properties, and how they are shaping modern 3D printing processes.

Table of Contents

Chapter 1

Understanding Copper Powders: Composition & Types

copper-powder-for-thermal-spraying

To fully appreciate the value of copper in 3D printing, it’s important to understand its forms:

  • Copper Powder: Copper powder is available in varying purities (typically 99.9% to 99.999%), offering excellent thermal conductivity, electrical conductivity, and corrosion resistance. These properties make it ideal for high-performance components such as heat sinks, conductive circuit boards, and electromagnetic shielding.

  • Copper Oxide Powder: This form of copper is available as CuO (Copper(II) oxide) or Cu₂O (Copper(I) oxide). While copper oxide powder may not have the same conductivity as pure copper, it has a variety of other industrial applications. It’s especially useful for creating semiconductor coatings, catalysts, and optical thin films. Its distinctive properties also make it an ideal choice for solar energy systems and energy storage devices.

  • Spherical Copper Powder: When it comes to 3D printing, spherical copper powder takes center stage. This powder is preferred for powder bed fusion (PBF) and selective laser sintering (SLS) processes due to its high flowability and uniform size distribution. Spherical copper powder ensures that the layers in 3D-printed objects are perfectly formed, allowing for higher mechanical strength and greater precision in printed parts.

Chapter 2

The Role of Copper in Additive Manufacturing

Why is copper such a game-changer in the world of additive manufacturing? Let’s dive into some of its unmatched benefits:

  • Superior Electrical and Thermal Conductivity: Copper’s unparalleled ability to conduct heat and electricity makes it ideal for producing electronic components that require these properties, such as heat exchangers, circuitry, and power transmission components.

  • Antibacterial Properties: Copper and its alloys have inherent antimicrobial qualities, which is a major asset in the medical field. Copper-based 3D printed parts can be used to create antibacterial surgical tools, implants, and prosthetics, improving patient outcomes by reducing the risk of infection.

  • Corrosion Resistance: Copper is naturally resistant to corrosion, which makes it perfect for applications in marine environments or industries where long-lasting, durable materials are essential.

Now, when it comes to 3D printing, spherical copper powder offers some unique advantages:

  • Higher Density for Better Mechanical Properties: The uniform spherical shape of the powder enables better packing density during the printing process, resulting in stronger, more durable printed parts.

  • Improved Flowability: Unlike irregular-shaped powders, spherical powders flow more easily, reducing the risk of clumping during printing and improving the overall consistency of each layer.

  • Uniform Layer Formation: The uniform size and shape of spherical powder particles allow for high-precision printing, reducing defects and ensuring the integrity of the finished part.

Chapter 3

Applications of Copper and Copper Oxide Powders in 3D Printing

Copper-based powders are not just another material—they are transforming a wide range of industries through their applications in 3D printing:

  • Electronics: Copper powder is used to print heat sinks, conductive components, circuit boards, and antennas, which are all integral to modern electronic devices like smartphones, computers, and wearables.

  • Aerospace and Automotive: Copper is crucial for lightweight conductive components that are needed in aircrafts, satellites, and electric vehicles. Its combination of high strength, light weight, and conductivity makes it a top choice for these industries.

  • Biomedical Applications: Thanks to its antimicrobial properties, copper-based 3D printed parts are being used in the medical field to create implants, prosthetics, and surgical tools that help combat infections while offering functional performance.

  • Energy and Battery Industry: Copper-based electrodes are integral to developing next-generation batteries and fuel cells, driving advancements in energy storage and green energy technologies.

Applications of Copper and Copper Oxide Powders in 3D Printing

Chapter 4

Choosing the Right Copper Powder for Your Needs

When selecting copper powder for your 3D printing applications, consider the following factors to ensure the best material for your project:

  • Purity: Copper powder comes in various purities, ranging from 99.9% to 99.999%. The higher the purity, the better the material’s performance, especially in high-tech applications like semiconductors or sensitive electronics.

  • Particle Size: Copper powder is available in a wide range of particle sizes. For nano-sized applications, such as thin films or advanced coatings, you would need fine powders. However, coarser powders are better suited for structural applications that require more mass.

  • Manufacturing Method: Copper powders can be produced using different methods like gas atomization, which produces high-quality spherical powders ideal for 3D printing, or water atomization, which can produce irregularly shaped powders.

Choosing the Right Copper Powder for Your Needs

Chapter 5

Future Trends in Copper-Based 3D Printing

The future of copper-based 3D printing looks bright, with innovations on the horizon:

  • Multi-metal Printing: The ability to combine copper with other metals, such as tungsten, tantalum, or titanium, is a game-changer. This could lead to the creation of complex multi-material components with tailor-made properties.

  • Next-Gen Sintering Techniques: Advances in sintering technologies are helping to reduce the oxidation challenges faced when printing with copper, allowing for more accurate and efficient production of copper-based parts.

  • Nano-Copper Powders: As nano-technology progresses, nano-copper powders are expected to revolutionize applications in electronics, medical devices, and energy systems due to their unique properties at the nanoscale.

Chapter 6

The Future is Copper

Copper powder, copper oxide powder, and spherical copper powder are transforming industries by enabling new possibilities in 3D printing. Whether you’re in electronics, aerospace, biomedical, or energy, copper’s unparalleled properties make it the material of choice for high-performance 3D printed components.

As demand for advanced, custom products grows, MetalsTek can provide high-quality copper and copper oxide powders, as well as tailored solutions for your 3D printing needs. Stay ahead of the curve and discover how copper-based materials can bring your projects to life.