Description
Product Name & Description
NKK-TF4840 Cellulose separator
40??m Cellulose Membrane (Hydrophilic)
Primary Applications
Cellulose separator for large cells, low Low Self-Discharge type. For supercapacitor
Product Benefits?
- High reliability type, Lower ES
- High electrolyte holding ratio type
?
Technical Data (Typical Properties)
|
Basic Film Properties |
Unit of Measure |
Typical Value |
|
Thickness |
??m |
40 |
|
Density |
g/cm3 |
0.40 |
|
Porosity (calculated) |
% |
73 |
|
Moisture |
% |
7-10 |
|
Tensile Strength |
N/15mm |
10.3 |
|
Air Resistance |
sec/100cc |
109.6 |
|
Water Absorption |
mm/10min |
35 |
|
pH |
– |
6.2 |
Remark
Because TF is made from cellulose, it tends to absorb moisture, and depending on circumstances, it might contain 7-10% moisture. When assembling cell with TF, sufficient drying is required.?Recommended drying condition is in the range of 100-160??C within 24 hours by vacuum drying.??After drying procedure, please handle the products under the low dew point environment. Recommended dew point is less than -60??C.?In the drying procedure, the products may shrink about 1% lengthwise and widthwise, so please design your product after taking this shrinkage into consideration.
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