polyimide FEP tape
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This product is compounded tape by one-sided or two-sided film coated with F46 gum, finished products is after dry and cutting. This tape is applicable to electrical winding wire with class H insulating materials and the half minutes melting to shape at 350~380°C when application.
- Technical requirements
- Tape dry and level off, without bubble and the impurities. 2. Size 2.1. Length: Each volume tape on the one dish or roll, its length not less than 300 m, joints number are not more than three, the shortest length of each volume not less than 10 m. 2.2. Width: The width of the tape and its allowable deviation is 10m +/- 0.4 mm, 15m + /-0.4 mm, 20m + /-1 mm, 25m + /-1 mm, other width specifications of the tape to be supplied according to user’s needs. 2.3. Thickness: Tape nominal thickness and its allowable deviation
|
Thickness(um) |
33 |
35 |
38 |
40 |
50 |
65 |
|
Allowable deviation(um) |
±1 |
±1 |
±1 |
±1 |
±2 |
±2 |
Note:according to customer's demand supplying various thickness of the tape, allowabledeviation is plus or minus 0.003 mm. or according to user needs supplies tapes.
|
Serial number |
Item name |
Unit |
Index |
|
1 |
Tensile strength |
MPa %
N/25mm
|
≥80 ≥35
|
|
2 |
Elongation at break |
||
|
3 |
Stripping force ≥ Tape ~Tape Tape~Copper |
||
|
4 |
Electric strength |
v/um |
≥140 |
|
5 |
Surface resistance |
Ω |
≥1.0X1014 |
|
6 |
Volume resistance |
Ω.M |
≥1.0X1010 |
|
7 |
Relative permittivity 48~62Hz |
- |
|
|
8 |
Dielectric power factor 48~62 Hz ac |
- |
≤4.0X10-3 |
Note: For No 5 and 6, to be tested before cutting.
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