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VPI Mica Tape |
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Properties |
Electrical
Glass Cloth/Mica tape is a kind of dry Micapaper tape,
supported by Glass cloth (single-sided) 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.
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Data Form |
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Properties |
Unit |
Value |
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Nominal
THK |
mm |
0.13 |
0.15 |
0.18 |
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THK
Tolerance |
Typical
value |
mm |
±0.02 |
±0.02 |
±0.02 |
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Average
value |
mm |
±0.03 |
±0.03 |
±0.03 |
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Mica
content |
g/m2 |
160 |
180 |
210 |
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Glass
cloth content |
g/m2 |
20±2 |
20±2 |
20±2 |
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Resin
content |
% |
5~11 |
5~11 |
5~11 |
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Volatile
content |
% |
≤1.0 |
≤1.0 |
≤1.0 |
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Total
weight |
nominal
value |
g/m2 |
196 |
217 |
250 |
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tolerance |
g/m2 |
±20 |
±20 |
±20 |
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Dielectric
Strength |
MV/m |
≥12 |
≥12 |
≥12 |
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Tensile
strength |
N/10mm |
≥60 |
≥60 |
≥60 |
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Application Notice |
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1. When wrap, the ideal speed is 120~150r/min. |
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2. When baking, original condition is 80~90℃/2h. |
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3. After been impregnated 110℃ for 2~3h,then rise to fixed
temperature at 10℃ an hour. Advisable temperature:
150~170℃/10~20h. |
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Specification |
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1.Min
Qty: 200kg each size in a lot |
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2. Packing: In
Carton |
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Note:
The values noted in above technical specification are given
only for our customers’ reference
and should not be used in writing
specifications. |
