Cu 99.95 Powder

Cu 99.95 Description:

Cu 99.95 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

Cu 99.95 Powder Related Information :

Storage Conditions:

Airtight sealed, avoid light and keep dry at room temperature.

Please contact us for customization and price inquiry

Email: contact@nanochemazone.com

Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.

Cu 99.95 Powder

Cu 99.95 powder, also referred to as electrolytic tough pitch (ETP) copper powder, is a high purity copper powder containing a minimum of 99.95% copper. It has excellent electrical and thermal conductivity combined with good mechanical properties. Key applications include electrical contacts, brushes, welding products, brazing, friction materials and diamond tools.

Overview of Cu 99.95 Powder

Cu 99.95 powder, also referred to as electrolytic tough pitch (ETP) copper powder, is a high purity copper powder containing a minimum of 99.95% copper.

It has excellent electrical and thermal conductivity combined with good mechanical properties. Key applications include electrical contacts, brushes, welding products, brazing, friction materials and diamond tools.

Some key properties and advantages of Cu 99.95 powder include:

Cu 99.95 Powder Properties and Characteristics

Cu 99.95 provides an optimal balance of conductivity, mechanical properties, sintering characteristics and cost for fabrication of parts via pressing and sintering.

Cu 99.95 Powder Composition

Typical composition of Cu 99.95 powder:

Cu 99.95 Powder Composition

Copper provides excellent conductivity and ductility

Oxygen present as impurity affects conductivity and sintering

Lead and other impurities carefully controlled

High copper content gives excellent electrical and thermal conductivity combined with good mechanical properties after sintering.

Cu 99.95 Powder Physical Properties

High density compared to iron and aluminum

Excellent thermal conductivity for heat removal

Low electrical resistivity provides high conductivity

Resistivity increases above Curie temperature

Recrystallization enables sintering and improves ductility

The physical properties make Cu 99.95 suitable for applications like electrical contacts and brushes requiring high conductivity.

Cu 99.95 Powder Mechanical Properties

Good combination of strength and high ductility

Relatively low hardness and high malleability

Moderate strength levels compared to high strength alloys

Properties depend on factors like porosity and grain size

The mechanical properties make Cu 99.95 suitable for softer conductive components that require deformation and compressive strength.

Cu 99.95 Powder Applications

Some specific uses:

Sliding electrical contacts and brushes

Structural components requiring conductivity

Jewelry crafting and artisanal products

Diamond tools with copper metal matrix

Welding rods and brazing paste formulations

Mold liners for casting reactive alloys

The excellent balance of conductivity, mechanical properties, formability and cost make Cu 99.95 suitable for this broad range of applications.

Cu 99.95 Powder Specifications

These standards define:

Minimum 99.95% copper content

Limits on impurities like O, Pb

Required powder characteristics

Production method – electrolytic process

Acceptable particle size distribution

Testing methods for powder properties

Compliance ensures the powder meets the required purity and properties for the intended application.

Cu 99.95 Powder Particle Size Distribution

Finer powder sizes provide greater sintered density

Coarse powder has better flowability for automated filling

Size range tailored based on part requirements

Both irregular and spherical powder shapes are available

Controlling particle size distribution allows optimizing pressing characteristics, sintered density and properties.

Cu 99.95 Powder Apparent Density

Higher apparent density improves powder flow and compactibility

Irregular morphology limits maximum packing density

Values up to 60% are possible with optimized spherical powder

High green density after compaction enables good sintering

Higher apparent density improves manufacturing productivity and part quality.

Cu 99.95 Powder Production Method

Automated electrolytic process allows high purity powder production

Grinding and sieving provides controlled particle size distribution

Annealing enables easy compaction into high density parts

Strict process control ensures reliable and consistent powder quality

Cu 99.95 Powder Handling and Storage

Storage Recommendations

Store in sealed containers away from acids or chlorides

Maintain temperatures below 27°C

Limit exposure to:

Oxidizing acids like nitric acid

Hot sulfuric acid

Hydrogen sulfide

Ammonia solutions

Chlorinated hydrocarbons

Proper handling and storage helps preserve purity and prevent reactivity or fire hazards.

Cu 99.95 Powder Testing

Stringent testing ensures the powder meets chemical, physical and morphological specifications required for the application.

Cu 99.95 Powder Pros and Cons

Advantages of Cu 99.95 Powder

Excellent electrical and thermal conductivity

Good ductility and malleability

Cost-effective compared to pure silver or gold

Good corrosion resistance and bio-compatibility

Easy to sinter and compress into high density parts

Recyclable and environmentally friendly

Limitations of Cu 99.95 Powder

Lower strength than high strength alloys

Moderate high temperature oxidation resistance

Heavy compared to magnesium and aluminum

Not suitable for highly stressed load-bearing components

Surface tarnishing over time if uncoated

Restricted food contact applications

Comparison With CuCrZr Powder

Cu 99.95 vs CuCrZr Powder

Cu 99.95 has better conductivity and lower cost

CuCrZr provides higher strength and thermal stability

Cu 99.95 suitable for softer conductive components

CuCrZr preferred for high load structural parts

Cu 99.95 Powder FAQs

Q: What are the main applications of Cu 99.95 powder?

A: The main applications include electrical contacts, brushes, welding products, diamond tools, brazing alloys, friction materials, and metal matrix composites. It is widely used in electronics, automotive and industrial products.

Q: What affects the properties of Cu 99.95 powder parts?

A: Key factors affecting properties are apparent density, amount of lubricant, compacting pressure, sintering time/temperature, powder composition, particle size distribution, and presence of impurities.

Q: What precautions should be taken when handling Cu 99.95 powder?

A: Recommended precautions include avoiding inhalation, ensuring proper ventilation, wearing protective gear, controlling static discharge, using non-sparking tools, avoiding ignition sources, and storing in a cool, dry location in sealed containers.

Q: How does Cu 99.95 powder differ from bronze and brass powders?

A: Bronze and brass are copper alloys with tin and zinc while Cu 99.95 is pure copper. It has higher conductivity but lower strength than bronze or brass. Cu 99.95 is more cost-effective.