COPPER POWDER
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Atomized Copper Powder| Pure Copper Powder
Atomized Copper Powder| Pure Copper Powder
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  • Properties
  • Application
  • Standard Specification
  • Packing and Storage

CNPC POWDER'S atomized copper powder is produced by the water atomization (pure copper powder) or gas atomized (spherical copper powder) methods. The copper powder comes in a pure fine powder form, including irregular and spherical shape. Cu content is 99.7% min. CNPC Copper powder properties of formability, inoxidizability, compressibility, sintering activity and well-developed surface are well-fitted in PM industry.


Copper Powder Production Process

Step 1: High Quality Copper Material

Step 2: Melting

Step 3: Atomized

Step 4: Filter

Step 5: Collect

Step 6: Dry

Step 7:Grading

Step 8: Inspection

Step 9:Packing

                                                      Copper Powder Production




The difference between Water Atomized Copper Powder and Gas atomized Copper Powder is their apparent density, particle shape, oxygen
content and color. 

             Apperent Density   Particle Shape  Oxgyen Content   Color

Water  2.3-3.5g/cm3           irregular             0.3%                      darker

Gas     4.5-5.2g/cm3           spherical           0.1%                       light

CAS no.: 744-50-8
HS code: 7406209000
Molecular Formula: Cu
Color: Light Rosy
Shape: Irregular or Spherical shape
Purity: 99.7%
Product method: Water and Gas Atomization
Molecular Weight: 63.55
Freezing/Melting Point: 1083.4℃
Boiling Point: 2567 ℃
Specific Gravity/Density: 2.3-3.5g/cm3;4.5-5.2g/cm3
Applicable Solubility in water: Slightly soluble in hot water

The main application of Atomized Copper Powder;
  • Main material in powder metallurgy industry
  • Chemical industry for chemical reaction.
  • For antiseptic substance in food packing and reducing agent.
  • Fine particles copper powder can be used for diamond tools.
  • Friction materials
  • Electrical carbon products
  • Metal injection molding
  • Cold spraying and the thermal spraying
  • Best choice for welding materials, hard alloy, electric conductive slurry etc. 
 
Grade Composition (%) O(%) A.D.g/cm3 Particle Size
+100(150μm) +140(106μm) +200(75μm) +325(45μm) -325(45μm)
CNPC-WCu100 Cu99.7min 0.3max 2.5-3.5 ≤5 Bal. ≤10
CNPC-WCu200 - ≤1 ≤5 ≤30 Bal.
CNPC-WCu300 - - ≤1 ≤10 Bal.
CNPC-WCu400 - - - - ≥95
 
Grade Composition (%) O(%) A.D.g/cm3 Particle Size
+100(150μm) +140(106μm) +200(75μm) +325(45μm) -325(45μm)
CNPC-GCu100 Cu99.7min 0.1max 4.8-5.2 ≤5 Bal. ≤10
CNPC-GCu200 - ≤1 ≤5 ≤30 Bal.
CNPC-GCu300 - - ≤1 ≤10 Bal.
CNPC-GCu400 - - - - ≥95



Grade Package
CNPC-WCu100 25KG/Package
CNPC-WCu200 25KG/Package
CNPC-WCu300 25KG/Package
CNPC-WCu400 25KG/Package
CNPC-GCu100 25KG/Package
CNPC-GCu200 25KG/Package
CNPC-GCu300 25KG/Package
CNPC-GCu400 25KG/Package
 
Atomized Copper Powder Storage Note:
  • The copper powder should stored in a cool, ventilated warehouse. Away from fire and other heart sources.
  • It should be stored apart from oxidant acids, halogen ,mixed reservoir of avoiding by all means.
  • Equipped with corresponding varieties and number of fire equipment.
  • Storage area should be equipped with the right material for leakage content.

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