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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

202

202

202

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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