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Xuchang Chengrui Insulation Material Co., Ltd.

DDP, Insulation Paper, Insulation Material manufacturer / supplier in China, offering Electric Insulation Material DDP Diamond Dotted Paper, B Class DMD 6630 Electrical Insulation Paper, High Quality Binding Insulation Pure Cotton Tape and so on.

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Electric Insulation Material DDP Diamond Dotted Paper

FOB Price: US $2,700 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $2,700/ Ton
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Production Capacity: 20mt/Week
Transport Package: Pallet
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DDP
  • Type: Insulation Paper
  • Material: Paper
  • Maximum Voltage: 20KV~100KV
  • Certification: ISO9001, SGS
  • Brand: Chr
  • Width: 960mm,1000mm
  • Water Content: 4.0%-8.0%
  • Specification: 0.08-0.25x960mm
  • HS Code: 4811601000
  • Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Switch Baseplate
  • Chemistry: Inorganic Insulation
  • Thermal Rating: Below 35
  • Classification: Inorganic Insulation Material
  • Color: Brown
  • Thickness: 0.08mm,0.13mm,0.15mm,0.17mm,0.20mm,0.25mm
  • Package: Pallet
  • Trademark: CHR
  • Origin: China
Product Description

DDP Diamond Dotted Resin Paper
 
 
Description:
Diamond dotted paper(DDP) is made of insulating paper with diamond-shape epoxy resin dotted on both sides. The epoxy used in D.D.P contains a kind of incubative hardener material. It is a dry and crisp material at normal temperature.
 
Features:
This product has good dielectric properties and good mechanical properties after heat solidification
 
Applications:
It is to be used in oil-immersed transformers for the insulation between of coils and between layers of oil immerged power distribution transformers.

This product has good dielectric properties and good machenical properties after being heat-solidification. It can be used as coils and between layers of oil immerged power and distribution transformers.
Thickness: 0.08mm 0.13mm 0.15mm 0.17mm 0.20mm 0.25mm
Width: 960mm 1000mm
PACAGE: Pallet

NumberIndexUnitStandard
1Thickness &tolerancemm0.08±0.005
0.13±0.007
0.18±0.010
0.20±0.010
0.25±0.010
2Densityg/cm30.85~1.10
3Adhensive thickness of single sideμm10~15
4Water content%4.0~8.0
5Oil absorbency%≥20
6Adhensive strengthOrdinary statekPa≥650
100ºC±2ºC≥400
7Pollution for transformer oil
-Pollution-free(tan∮<0.001)
8Tensile strengthMDN/10mm
width
≥60≥110≥160≥180≥230
CD≥30≥50≥70≥80≥100
9Tear IndexMDMn≥450≥900≥1350≥1500≥2000
CD≥500≥1000≥1500≥1700≥2300
10BreakdownIn airKV≥0.88≥1.37≥2.00≥2.10≥2.25
In oil≥4.40≥7.00≥9.00≥9.80
Technical Data:

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

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