VPI Mica Tape
Properties
VPI Mica tape is a kind of dry Mica paper tape, supported by Glass cloth, PET film or polyimide film and impregnated with high-property resin, compatible with epoxy system and unsaturated polyester system, it shows excellent electrical, mechanical properties, good integrity with long-operating life after coils wrapped and VPI treatment, widely used for VPI insulation in F-class DC and traction machines.
D050201A: Glass cloth/Mica; D050201B: PET (polyester, Mylar®) film/Mica; D050201C: PET (polyester, Mylar®) film/Mica/Glass cloth; D050201D: Polyimide (Kapton®) film/ Mica.
Data Form
| Item |
Unit |
Value |
| D050201A |
D050201B |
D050201C |
D050201D |
| Normal thickness |
mm |
0.14±0.02 |
0.14±0.02 |
0.14±0.02 |
0.10±0.02 |
| Mica content |
g/m2 |
160±13 |
160±13 |
140±13 |
110±10 |
| Glass cloth content |
g/m2 |
25±5 |
- |
22±3 |
- |
| PET content |
g/m2 |
- |
42±5 |
18±2 |
- |
| Polyimide Content |
g/m2 |
- |
- |
- |
43±5 |
| Resin content |
% |
9±4 |
<8 |
9±4 |
5±3 |
| Volatile content |
% |
<1.0 |
<1.0 |
<1.5 |
<1.0 |
| Tensile strength |
N/10mm |
>80 |
>40 |
>80 |
>35 |
| Breakdown Voltage |
KV/layer |
1.5 |
6 |
3 |
5.5 |
| Total weight |
g/m2 |
210±10 |
220±20 |
200±15 |
155±10 |
| Thermo Class |
- |
F |
F |
F |
H C |
| Storage(5-20C) |
Month |
Six monthes |
Application Notice
- 1. When wrap, the ideal speed is 120~150r/min.
- 2. When baking, original condition is 80~90℃/2h.
- 3. After been impregnated 110℃ for 2~3h,then rise to fixed temperature at 10℃ an hour. Advisable temperature: 150~170℃/10~20h.
Specification
- 1.Min Qty: 200kg each size in a lot
- 2. Packing: In Carton
Note:The values noted in above technical specification are given only for our customers' reference and should not be used in writing specifications.
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