Henan, China
Type of Ownership:
Limited Company
Management System Certification:
ISO 9001, QC 080000
Export Year:
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern ...
OEM/ODM Availability:
OEM/ODM Service
Sample Available

DDP, Insulation Paper, Insulation Material manufacturer / supplier in China, offering Hot Sales Diamond Dotted Insulation Paper, 6520 Electrical Insulation Paper Polyester Film, Insulation Paper 6520 Polyester Film and so on.

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Hot Sales Diamond Dotted Insulation Paper

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Min. Order / Reference FOB Price
800 kg US $3/ kg
Production Capacity: 20mt/Week
Transport Package: Pallet
Payment Terms: L/C, T/T
Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Switch Baseplate
Type: Insulation Paper
Chemistry: Inorganic Insulation
Material: Paper
Thermal Rating: Below 35
Maximum Voltage: 20KV~100KV

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Basic Info

Model NO.: DDP
Classification: Inorganic Insulation Material
Certification: ISO9001
Color: Brown
Brand: Chr
Thickness: 0.08mm,0.13mm,0.15mm,0.17mm,0.20mm,0.25mm
Width: 960mm,1000mm
Package: Pallet
Water Content: 4.0%-8.0%
Trademark: CHR
Specification: 0.08-0.25x960mm
Origin: China
HS Code: 4811601000

Product Description

Diamond dotted insulation paper is made of electrical insulating 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 It is a kind of material with inertia, dry and no conglutination at normal temperature (below 30 degree C). The Diamond Dotted Paper will make the electric conductor forever felt up as a hard unit under the high temperature by its internal latency substance. when the temperature is rising up to 90 degree C. The Diamond Paper begins one-off thaw and then one-off solidification .When to keep the temperature at 90 degree C for 90 minutes, the epoxy resin would paste on neighboring cable and paper safely. The felt intensity is as high as to 70psi at 100 degree C (The value at least is equal to 0.275Mpa, America standard)
? Insulation class A (105 °C) according to according to IEC 641
?Kraft paper, 100% sulphate pulp
? High purity and mechanical strength
?Color natural
?Baked enamel coating: Epoxy resin , rhombic, one or both sides
?Good compatibility with liquid dielectic after the baked enamel coating has hardened.
?Care should be taken that the that the layers to be baked remain closely pressed against each other during baking time
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
Thickness: 0.05mm - 0.35mm
Both in roll and sheet are available
Width: 650mm - 1350mm

1Thickness &tolerancemm0.08±0.005
3Adhensive thickness of single sideμm10~15
4Water content%4.0~8.0
5Oil absorbency%≥20
6Adhensive strengthOrdinary statekPa≥650
7Pollution for transformer oil
8Tensile strengthMDN/10mm
9Tear IndexMDMn≥450≥900≥1350≥1500≥2000
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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