Item |
Index |
Test Method |
Capacitance(C) |
1. The acceptable capacitance should be above 90% of the rated capacitance value.
| |
 |
| 2.capacitance dispersion ratio= |
| |
≤14% is acceptable. |
Capacitance Test Method |
Foil Surface Residual Chloride Content(CL-) |
20μm thick foil: ≤0.5mg/m2 or colorless reaction by turbidimetry
30μm thick foil: ≤0.5mg/m2 or colorless reaction by turbidimetry
40μm thick foil： ≤0.8mg/m2
50μm thick foil： ≤1.0mg/m2(C≤450μF/cm2)
≤1.5mg/ m2(C >450μF/cm2)
|
Foil Surface
Residual Chloride
Content Test Method |
Foil Surface Copper Content (Cu2+)
（low-copper series） |
≤ 5 mg/m2 |
Foil Surface
Copper Content
Test Method |
Oxide Film voltage-withstanding (Vt)
（voltage-increased series） |
Refer to Table 1 |
Oxide Film
Voltage-withstanding
Test Method |
Tensile Strength (Te.S) |
Refer to Table 1 |
Tensile Strength
Test Method |
Bending Strength (Be.S) |
Refer to Table 1 |
Bending Strength
Test Method |
Water Resistance |
After the test as per the test method, the capacitance should be above 90% of the initial value so as to be considered acceptable. |
Water Resistance
Test Method |
