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PMP( Kraft-polyester-kraft paper) for transformer insulation


Description:
PMP is one composited insulation which is made of two layer condenser paper and middle is polyester.
Characteristic and Application:
1 Smooth and non-layer and non-foaming
2 It has good dielectric property and higher mechanical strength. So it’s the best choose to liner insulation of high-voltage transformer.

No. Item Unit

Value

1 Nominal thickness mm

0.05

0.06

0.07

0.10

2 Thickness tolerance mm

±0.005

±0.006

±0.007

±0.01

3 Quantitative and deviation g/m2

65±7

80±8

90±9

140±14

4 Tensile strength(lengthways) N/10mm

≥50

≥60

≥70

≥100

5 Breakdown voltage KV

≥5

≥6

≥7

≥10

6 Normal adhesiveness

No delamination

7 Thermal bonding 130±2℃/10min

No delamination, no bladder, no gel

8 Shrinkage %

≤3

Note: The above data are only typical values or average values, and can only provide you with practical advice as far as possible. The data does not undertake any responsibility for the use of the product or the resulting legal liability.

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