Aluminium Foil Uses

Aluminium Foil For Electronic Capacitor of employs not only its good electrical conductivity but also its oxide coating, specially formed (anodized) to make a superior dielectric layer between the two conductors, it can store more electrons per unit of ar…

Aluminium Foil For Electronic Power Capacitor

  • Alloy: 1235
  • Temper: O
  • Thickness: 0.005-0.008 mm
  • Width: 100-1960 mm
  • I.D: 76mm/152mm
  • Core Material: Aluminium/Steel
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Aluminium Foil For Electronic Power Capacitor
  • Aluminium Foil For Electronic Power Capacitor
  • Aluminium Foil For Electronic Power Capacitor

Chemical Compositions of Aluminium Foil For Electronic Power Capacitor

AlloyFeSiCuMnMgCrZnNiTiOtherAl
EachTotal
12350.650.050.050.05-0.1-0.060.050.1599.35

Properties of Aluminium Foil For Electronic Power Capacitor:

ApplicationFor Electronic Power Capacitor
Alloy1235
TemperH18,O
Thickness(mm)0.0045 ,0.005, 0.0055,0.006
Tolerance0.0045±5%
0.005
0.0055
0.0062%
-5%
Tolerance of Width(mm)±0.5
SplicesWidth≤300300~350≤5
Splices≤1≤2
Mechanical PropertiesMPaU.T.S55100
% Elongation≥1.0
Unwinding (m)≤1
Trace Elements (%)Pb≤0.01, As≤0.01,Cd≤0.01
Pin holes(m2)0.0045≤8000

0.005≤4000

0.0055≤2000

0.006≤1000
Norms & StandardsGB3198/EN/ASTM

Advantage of Aluminium Foil For Electronic Power Capacitor:

This application of aluminum foil employs not only its good electrical conductivity but also its oxide coating, specially formed (anodized) to make a superior dielectric layer between the two conductors. The dielectric constant of aluminum oxide is higher than that of waxed paper and many other dielectric materials, therefore it can store more electrons per unit of area. The oxide dielectric plate, which determines the size of a given capacitor, does not have to be as large as a paper dielectric "plate" for an equal capacity. Further, the oxide film, even a "thick" one, is thinner than the thinnest tissue paper. This thin film of aluminum oxide reduces the bulk of the capacitor; but more important, its thinness also increases the capacitance per unit of area. Another advantage of aluminum foil for electrolytic capacitors is that the foil is readily etched. This is important because etching greatly increases the true surface area which, when anodized, results in a far larger dielectric plate capacity.

Final application of Aluminium Foil For Electronic Power Capacitor:

It is used in Aluminium Foil For Electronic Power Capacitor.


Rolled in Alloy 1235 with 99.35% minimum Aluminum content, our foil slit edges are very clean, resulting in a consistent unwind with minimal breaks. The end result is a full range of capacitor films capable of matching just about any application need:


  1. Gauge Ranges: Foil gauges range from .00019” to .00040”

  2. Fully Annealed Foils: All capacitor foils are supplied as “A” wettable and are considered dry

  3. Tight Tolerances: Foils can hold a tolerance down to 1/16”

  4. Slit Widths: As narrow as ¼” and as wide as is needed for the application

  5. Available Core Types: Cores available in Aluminum (1 5/16, 3”, 2.5” and 40 MM) and Cardboard (1/5/16 and 3”)

Aluminium Foil For Electronic Power Capacitor application
Aluminium Foil For Electronic Power Capacitor application
Aluminium Foil For Electronic Power Capacitor application
Aluminium Foil For Electronic Power Capacitor application
Aluminium Foil For Electronic Power Capacitor application
Aluminium Foil For Electronic Power Capacitor application

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