carbon brush
1)CNPC brand,high quality
2)Cu:99.6
3)Factory price
4)Port nearby advantage
carbon brush of copper powder
ELECTROLYTIC COPPER POWDER
TECHNICAL DATA
PROPERTIES
Dendritic light rosy powder,easily oxidizedle in the moist air and soluble in heated sulfuric acid or nitric acid.
High purity, dendritic shape powder,high electrical and thermal conductivity.
APPLICATION
Widely used in diamond tools, carbon brushes, friction materials, P/M products and abrasive materials,pastes, electrical and electronic applications.
STANDARD SPECIFICATION
CHEMICAL COMPONENT % | |||
Cu | ≥ 99.7 | ||
Pb | < 0.005 | O | < 0.15 |
S | < 0.004 | Fe | < 0.020 |
Zn | < 0.004 | Ni | < 0.003 |
Sn | <0.004 | H2O | < 0.055 |
Hydrogen loss | <0.15 | Acid insoluble | < 0.05 |
CNPC-Cu100
PHYSICAL CHARACTER | |||
+ 200 mesh (%) | 0-10 | Appaeren Density (g/cm3) | 1.5-2.3 |
+ 325 mesh (%) | 20-30 | -325 mesh (%) | 60-70 |
CNPC-Cu200
PHYSICAL CHARACTER | |||
+ 325 mesh (%) | 0-5 | Appaeren Density (g/cm3) | 1.2-1.9 |
-325 mesh (%) | 95-100 |
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CNPC-Cu300
PHYSICAL CHARACTER | |||
+ 200 mesh (%) | 0-5 | Appaeren Density (g/cm3) | 1.5-2.0 |
+ 325 mesh (%) | 10-15 | -325 mesh (%) | 80-90 |
CNPC-Cu400
PHYSICAL CHARACTER | |||
+ 100 mesh (%) | 5-10 | Appaeren Density (g/cm3) | 1.8-2.5 |
+ 150 mesh (%) | 10-20 | + 325 mesh (%) | 20 |
+ 200 mesh (%) | 50-60 |
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