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VPI Mica Tape

VPI Mica Tape

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.

Data Form

Properties

Unit

Value

Nominal THK

mm

0.13

0.15

0.18

THK Tolerance

Typical value

mm

±0.02

±0.02

±0.02

Average value

mm

±0.03

±0.03

±0.03

Mica content

g/m2

160

180

210

Glass cloth content

g/m2

20±2

20±2

20±2

Resin content

%

5~11

5~11

5~11

Volatile content

%

1.0

1.0

1.0

Total weight

nominal value

g/m2

196

217

250

tolerance

g/m2

±20

±20

±20

Dielectric Strength

MV/m

12

12

12

Tensile strength

N/10mm

60

60

60

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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