Pure Cu Powder

Overview of Pure Copper (Cu) Powder

Copper powder, or pure Cu powder, is a versatile material widely used across various industries. Known for its high electrical and thermal conductivity, corrosion resistance, and machinability, pure copper powder serves as a foundational material in manufacturing, electronics, 3D printing, and more. This article explores the composition, properties, specifications, models, and applications of pure copper powder in depth, using detailed tables and comparisons to help potential buyers and industry professionals make informed decisions.

Composition and Characteristics of Pure Copper (Cu) Powder

Copper powder is produced in different grades and particle sizes, which affects its applications and performance. Understanding the composition, purity, and other technical attributes of pure Cu powder helps users select the ideal variant for their needs.

Composition and Purity of Pure Copper Powder

TypeCompositionPurity LevelParticle ShapeAverage Particle SizeMethod of Production
Electrolytic Cu PowderCu (99.9%)HighIrregular20-30 µmElectrolysis
Atomized Cu PowderCu (99.5%)ModerateSpherical10-25 µmGas Atomization
Reduced Cu PowderCu (99.8%)HighIrregular5-10 µmHydrogen Reduction
Flake Cu PowderCu (99.9%)HighFlake<5 µmMilling

Each production method results in distinct shapes and sizes, affecting the powder’s packing density, surface area, and reactivity.

Pure Cu Powder

Properties of Pure Copper Powder

Pure Cu powder exhibits remarkable properties making it suitable for various applications, from thermal management to additive manufacturing.

PropertyDescription
Electrical ConductivityHigh, allowing for efficient current flow in electronic components and conductive inks.
Thermal ConductivityExcellent, ideal for thermal pastes, heat exchangers, and electronics cooling.
Corrosion ResistanceResists atmospheric and chemical corrosion, enhancing durability.
Ductility and MalleabilityEasily shaped, suited for compacted parts and 3D-printed prototypes.
Density8.96 g/cm³, offering high packing density in applications requiring compact, dense materials.

These properties make pure copper powder an ideal candidate for products needing high conductivity, durability, and ease of machining.

Models of Pure Copper Powder

In this section, we introduce various models of pure Cu powder, each tailored for specific applications based on particle size, shape, and purity.

Top Pure Copper Powder Models for Industrial and Commercial Use

ModelDescriptionApplicationPrice Range
CuP-2020Electrolytic powder, high purity, 20 µm particle sizeElectronic pastes, conductive coatings$20 – $25/kg
CuS-10Atomized, spherical, 10 µm, suited for uniform particle dispersion3D printing, powder metallurgy$18 – $22/kg
CuR-55Reduced copper, fine 5 µm size, irregular shapeCatalysts, reactive materials$23 – $27/kg
CuF-03 FlakeUltra-fine, flake shape, <5 µm, high surface areaConductive inks, fillers in polymers$28 – $32/kg
CuA-18 Atomized18 µm, spherical, moderate purity, optimized for layering in additive manufacturingSintered parts, 3D-printed objects$19 – $23/kg
CuEX-HighPurityExtra high purity (99.99%), irregular shape, 20 µmElectronics, medical devices$30 – $35/kg
Cu-HeavyDutyDense particle mix, irregular shape, higher bulk density, designed for high-stress environmentsStructural parts, heavy-duty components$24 – $29/kg
Cu-CoatSpecFlake powder, 3 µm, optimized for thin coatings and surface finishingCoatings, surface finishes$26 – $31/kg
Cu-RX CatalyticHighly reactive, reduced form, small particle sizeCatalytic converters, chemical reactions$32 – $38/kg
Cu NanoGradeNano-size particles, ultra-fine powder (<100 nm)Advanced electronics, nano-coatings$50 – $60/kg

Each model above has been tailored for unique applications, ranging from bulk parts in metallurgy to precision coatings in electronics.

Applications of Pure Copper Powder

Copper powder finds uses in numerous industries, from electronics to medicine. The table below explores these applications in greater detail.

IndustryApplicationModel Recommendation
ElectronicsConductive inks, thermal management componentsCuP-2020, CuF-03 Flake
AutomotiveCatalytic converters, conductive partsCu-RX Catalytic, CuS-10
3D PrintingMetal additive manufacturing, custom prototypesCuS-10, CuA-18 Atomized
ChemicalCatalysts in chemical reactionsCu-RX Catalytic
HealthcareMedical devices requiring high purityCuEX-HighPurity
Coatings and PaintsConductive coatings, protective metal finishesCu-CoatSpec

These examples demonstrate the diversity of copper powder’s role across industries, highlighting its versatility.

Specifications, Sizes, Grades, and Standards of Pure Copper Powder

Specifications for copper powder are crucial for users who need precise measurements and quality assurances.

SpecificationDetails
Standard GradesASTM B212, ISO 449
Particle Sizes5 µm – 50 µm
Purity Levels99.5% – 99.99%
Moisture Content≤0.1%
Bulk Density2.5 – 5.5 g/cm³
Oxygen Content<0.5%

These specifications support users in maintaining quality and performance standards across applications.

Comparison of Pure Copper Powder: Pros and Cons

FeatureAdvantagesLimitations
High Electrical ConductivityExcellent for electronics and conductive applicationsMay require additional processing in certain alloys
Corrosion ResistanceLong-lasting and durable in exposed environmentsProne to oxidization if exposed to certain chemicals
Particle Shape OptionsShapes for every application: flake, spherical, irregularCustom shapes may be more costly
Purity LevelsHigh purity for critical applications like electronicsHigh-purity variants can be more expensive
Thermal ConductivityIdeal for heat dissipation in electronic and mechanical partsLimited in extreme cold or hot temperatures

This comparison emphasizes the benefits and trade-offs of using pure copper powder for different purposes.

Suppliers and Pricing for Pure Copper Powder

SupplierAvailable GradesAverage Price RangeShipping Availability
Supplier ACuP-2020, CuS-10, CuR-55$20 – $30/kgGlobal
Supplier BCuF-03, CuEX-HighPurity$28 – $35/kgNorth America, Europe
Supplier CCu-CoatSpec, Cu-RX$26 – $38/kgAsia, South America
Supplier DCu NanoGrade$50 – $60/kgWorldwide

Selecting a supplier depends on location, grade requirements, and budget, with options available across various regions.

Pure Cu Powder

FAQ

QuestionAnswer
What is pure Cu powder used for?Pure Cu powder is widely used in electronics, additive manufacturing, coatings, catalysis, and thermal management applications due to its conductivity and stability.
Which copper powder model is best for 3D printing?Models like CuS-10 and CuA-18 Atomized are optimized for 3D printing applications.
How does particle size affect copper powder performance?Smaller particles increase surface area, enhancing reactivity and packing density, ideal for coatings and catalysis. Larger particles are better for bulk applications.

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