Aluminum foil for capacitor parameters

AlloyTemperThicknessWidthCore inner diameterMaximum outer diameter of aluminum coilThickness toleranceWettabilityBrightness L
Aluminum foil for capacitors 123500.005-0.016mm100-500mm76500≦5Class A (Brush water test)≦60

aluminum foil capacitor

The aluminum foil used in electrolytic capacitors is a corrosive material that works under polar conditions. It has higher requirements for the structure of aluminum foil. The aluminum foil used is divided into three types: cathode foil, with a thickness of 0.015mm to 0.06mm; high-voltage foil, with a thickness The thickness is 0.065mm~0.1mm, and the aluminum foil is required to be produced with high-purity aluminum; the thickness of the low-pressure foil is 0.06mm~0.1mm.

Chemical composition of high pressure raw foil and low pressure raw foil(%)

Cu(≤)Fe(≤)Si(≤)Al(≥)
0.0050.0030.002599.99
0.0050.0150.01599.97
0.010.020.0299.95
0.010.040.0499.93
0.010.060.0699.90
0.010.100.0899.85
0.0025~0.0050≤0.014≤0.014≥99.97
Note: After the agreement between the supplier and the buyer, it can be supplied according to the agreement.

Chemical composition of cathode foil(%)

CuFeSiAl
0.010.160.1699.7
0.010.250.2099.6
Note: After the agreement between the supplier and the buyer, it can be supplied according to the agreement.

Longitudinal room temperature mechanical properties of aluminum foil

Thickness

(mm)

TemperTensile Strength

N /mm2

Elongation

δ

%

not less than
0.015~0.090M24.52.0
Y98.00.5
0.100~0.200M29.43.0
Y98.00.5

Crystal Structure Properties of Capacitor Aluminum Foil

  1. The average surface dislocation density of the soft-state high-pressure original foil is not more than 10∧6/cm2.
  2. The (100) crystal plane occupancy rate of the soft-state high-pressure original foil is not less than 80%.
  3. The thickness of the oxide film on the surface of the soft-state high-voltage original foil is not more than 6nm.

Note: Foils with other parameters can be supplied by agreement between the supplier and the buyer.

Application

aluminum foil for capacitor repair

Why choose us?

Henan Huawei Aluminum Co., Ltd. is the leader of many aluminum manufactures and suppliers in China. We strictly control the quality and focus on customers. We hope to have in-depth cooperation with you and provide you with high quality aluminum material products custom OEM services. If you want to get the newest and best prices by per kg or per ton standard weight, please contact us.

Aluminum foil production line

Packing

  • Package: Wooden case
  • Standard Wooden case specification: Length*Width*Hight=1.4m*1.3m*0.8m
  • Once needed,wooden case dimension could be redesigned as required.
  • Per wooden case Gross Weight scale: 500-700KG Net Weight: 450-650KG
  • Remark: For special packaging requirements, corresponding shall be added accordingly.