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Core Advantages
High-purity aluminum material, stable electrical performance, low impurity content to avoid interference with capacitor operation
Excellent deep drawability under O temper, no cracking during cold extrusion and shell forming
Good compatibility with electrolyte, reliable anti-corrosion property to prevent internal leakage
Superior thermal conductivity, helps dissipate heat and extend capacitor service life
Strict thickness & dimensional tolerance, suitable for high-speed automated stamping lines
Smooth and clean surface, no scratches, oil stains or burrs; supports subsequent anodizing
RoHS & REACH compliant, meets electronic industry environmental requirements
MTC test report supplied for each batch to support customer quality audit
Technical Parameters
Item | Specification |
|---|---|
Base Alloy | 1050,1060,1070 |
Temper | O, H14 |
Thickness | 0.25mm – 2.5mm |
Form | Aluminum strip / aluminum circle / aluminum slug |
Surface | Mill finish, optional anodized treatment |
Purity | ≥99.5%~99.7% |
Production Process
Aluminum ingot melting → Hot rolling → Cold rolling → Annealing → Precision slitting / blanking → Surface cleaning → Inspection & sorting → Export packing
Application Electrolytic capacitor shells, film capacitor housings, power capacitor cases, new energy vehicle capacitor shells, industrial power electronic capacitor enclosures.
Packing Waterproof film + kraft paper + wooden pallet, moisture-proof export packing for sea transport.
FAQ
Q: Which alloy grade is most used for capacitor shells?
A: 1060 and 1070 high purity aluminum are the mainstream grades.
Q: Can you supply aluminum circle blanks for deep drawing?
A: Yes, aluminum circles and slugs are available for capacitor shell stamping.
Q: Can we get sample for lab test?
A: Small test samples can be provided upon request.
