Gold Member Since 2012
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Xuchang Chengrui Insulation Material Co., Ltd.

Insulation Paper, Paper, Insulation manufacturer / supplier in China, offering DDP Insulation Paper for Transformer, Insulation Crepe Paper for Electrical Transformers, Hot Sale 6520 Insulation Polyester Film and so on.

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Supplier Homepage Product electrical insulation paper DDP Insulation Paper for Transformer

DDP Insulation Paper for Transformer

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, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: 0.08-0.25mmx960mm, 1000mm
  • Type: Insulation Paper
  • Material: Paper
  • Maximum Voltage: 20KV~100KV
  • Certification: ISO9001, SGS
  • Brand: Chr
  • Size: 0.17,0.20,0.25,0.30,0.35mm
  • Specification: 0.08MM 0.13MM 0.18MM 0.20MM 0.25MMx960MM, 1000MM
  • HS Code: 4811601000
  • Application: Insulators, Electrical Winding Insulation, Electrical Base, Shell, Switch Baseplate
  • Chemistry: Inorganic Insulation
  • Thermal Rating: Y 90
  • Classification: Inorganic Insulation Material
  • Color: Brown
  • Storage Life: 1 Year
  • Trademark: CHR
  • Origin: China
Product Description
Diamond Dotted Paper
Made of kraft paper coated with heat curable epoxy resin, the epoxy adhesive is applied to both sides of the paper in a diamond pattern consisting of 9.5mm X 9.5mm diamonds with 15.9mm center spacing

The Diamond Dotted Paper, alias such as: Epoxy adhesive diamond paper, Diamond Dotted Presspaper, Double sided Diamond Pattern Paper,Diamond Dotted insulating Paper, Varnished Paper, etc.

It is to be used in oil-immersed transformers for the insulation between of coils. On the insulation layer, there is a layer dotted epoxy resin that will be changed with high temperature change that is to be called as felt...
Number IndexUnit Standard
1 Thickness &tolerance mm 0.08±0.005
0.13±0.007
0.18±0.010
0.20±0.010
0.25±0.010
2 Densityg/cm3 0.85~1.10
3  Adhensive thickness of single side μm 10~15
4 Water content% 4.0~8.0
5 Oil absorbency% ≥20
6 Adhensive strength Ordinary state kPa ≥650
100ºC±2ºC ≥400
7 Pollution for transformer oil - Pollution-free(tan<0.001)
8 Tensile strengthMDN/10mm
width
≥60 ≥110 ≥160 ≥180 ≥230
CD≥30 ≥50 ≥70 ≥80 ≥100
9 Tear IndexMDMn ≥450 ≥900 ≥1350 ≥1500 ≥2000
CD≥500 ≥1000 ≥1500 ≥1700 ≥2300
10 BreakdownIn 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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