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Point tape

Diamond dotted DDP electrical Insulation Paper

it is made of electrical insulating paper with diamond-shape epoxy resin dotted in both sides. The epoxy resin uesd in D.D.P contains a kind of incubative hardener material, it is dry and crisp material at normal temperature.

Characterics and Applications

This product has good dielectric properties and good mechanical properties after being heat-solidification. It can be uesd as insulation material for coils and between layers of oil immerged power and distributive transformers.

Technical Parameters for Diamond dotted DDP electrical Insulation Paper

ITEM

Property

Unit

Index

1

Thickness and Tolerance

mm

0.08

±0.005

0.13

±0.007

0.18±0.01

0.20±0.01

0.25

±0.01

0.30

±0.01

0.35

±0.02

0.38

±0.02

0.45±

0.02

0.50±

0.03

 

2

Density

g/cm3

0.85~1.10

3

One Side Coating

μm

6~12

10~15

4

Moisture Content

%

4.0~8.0

5

Ash Content

%

                              ≤1.0

6

Water Extraction of Electrical 

Conductivity

mS/m

≤10

7

PH Water Extract

 

6.5~8.5

8

Oil Absorption

%

≥20

9

Bond Strength

Kpa

≥650

10

Tensile Strength

TD

 

N/10mm

60

110

160

180

230

≥250

 

 

MD

 

30

50

70

80

100

≥120

11

BDV

KV

0.88

1.37

2.00

2.10

2.25

≥2.50

Curing conduction stock for Diamond dotted DDP electrical Insulation Paper

2.1 Curing: 90°C±2 °C/3h firstly , then130°C±5°C/6h, or according customer needs

2.2 Storage: ≤40°C,dry, clean in warehouse. Avoid fire, heat and sunlight.

2.3 Storage life: 12 months. Still effective if qualified in retest after 12 months.

豫公網安備 41100202000526號

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