Henan, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available

DDP Transformer Paper, DDP, DDP Insulatiom Material manufacturer / supplier in China, offering DDP Transformer Paper, Phenoli Cotton Cloth Laminated Sheet, Epoxy Glass Cloth Laminate Sheet and so on.

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DDP Transformer Paper

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Min. Order: 500 kg
Port: Qingdao, China
Production Capacity: 20mt/Week
Payment Terms: L/C, T/T, Western Union
Application: Transformer and Motor
Type: Insulation Paper
Chemistry: Organic Insulation
Material: Wooden Pulp
Thermal Rating: A 105
Maximum Voltage: 20KV~100KV

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Basic Info

Model NO.: DDP
Trademark: Zhufeng
Transport Package: Pallet
Specification: 0.125mm-0.50mm
Origin: China

Product Description

Diamond Dotted Insulation Paper( DDP) is made of electrical insulation paper with Diamond-shape epoxy resin dotted in both sides. The epoxy resin used in DDP contains a kind of incubative hardener material, it is a dry ad crisp material at normal temperature(below 35degree)

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 0.13 0.15 0.17 0.20 0.25 0.38mm
Width: 960mm 1000mmDDP Transformer Paper

1Thickness & tolerancemm0.08± 0.005
0.13± 0.007
0.18± 0.010
0.20± 0.010
0.25± 0.010
3  Adhensive thickness of single sideμ m10~15
4Water content%4.0~8.0
5Oil absorbency%≥ 20
6Adhensive strengthOrdinary statekPa≥ 650
100 degree C± 2≥ 400
7Pollution for transformer oil -Pollution-free(tan< 0.001)
8Tensile strengthMDN/10mm
≥ 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≥ 11.50

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