Tianjin, China
Business Type:
Manufacturer/Factory
Registered Capital:
1000000 RMB
Plant Area:
101~500 square meters
Management System Certification:
ISO 9000
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Diamond Dotted Paper/DDP Paper/ Insulation Paper, Diamond Dotted Presspaper /DDP Paper, DDP Insulating Paper Diamond Dotted Paper manufacturer / supplier in China, offering Electrical Insulation Diamond Dotted Paper for Transformer Insulation Material, G1o Insulatin Bolts and Nuts Stand DIN 7735 Hgw 2372.4, FRP Bolts and Nuts Washer for Sea Water Useage and so on.

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Electrical Insulation Diamond Dotted Paper for Transformer Insulation Material

Get Latest Price
Min. Order / Reference FOB Price
200 kg US $1-5/ kg
Port: Qingdao, China
Production Capacity: 5000t/Year
Payment Terms: L/C, T/T
Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Oil Immersed Transformers
Type: Insulation Paper, Insulation Paper DDP Diamond DOT
Chemistry: Organic Insulation
Material: Insulation Paper and Resin, DDP Insulation Paper and Resin, Paper
Thermal Rating: A 105
Maximum Voltage: 20KV~100KV

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Basic Info

Model NO.
Transformer used DDP insulation paper
Classification
Organic Insulating Material
Certification
ISO9001
Color
Brown
Brand
Xincheng
Product Name
Diamond Dotted DDP Electrical Insulating Paper
Usage
Electrical Insulation for Transformer
Model Number
DDP, Cable Paper, Kraft Coated with Heat
Temp.Class
a Class
Thickness
0.08;0.13;0.18;0.20;0.25mm, 0.38mm, 0.5mm, etc
Tear Strength, Cross Machine Direction
≥5500mn
Edge Internal Tearing Resistance N
≥115n
Trademark
XINCHENG
Transport Package
Pallet
Specification
ROLL
Origin
China
HS Code
4811490000
Quick Details 
Place of Origin: China (Mainland)                                                   Brand Name: XINCHENG
Application: Oil immersed transformers                                          Product name: Diamond dotted DDP electrical insulating paper
Edge Internal tearing resistance N : ≥115N                                    Tear strength, Machine direction: ≥4000mN
Tear strength, Cross machine direction: ≥5500mN                        Dielectric breakdown(volts/layer ,dry test):≥:2100
Bonding strength: >500Kpa                                                            Model Number: DDP, cable paper, Kraft coated with heat
Type: Insulation Paper, insulation paper DDP diamond dotted paper          Material: Wood pulp
Material: Insulation paper and resin                                                              Rated Voltage: 6~24KV/Layer
Standard color: Natural                                                                                Temperature: 105°C
Thickness: 0.08;0.13;0.18;0.20;0.25mm,0.38mm,0.5mm,etc                      Temp.Class: A class
Sample: Sample Available                                                                            Width: 20-1900mm
Ash content: ≤0.7%
 
 
1.Product Description
Diamond pattern 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 x9.5mm diamonds with 15.9mm center spacing.
Properties
It is a kind of material with inertia, dry and no conglutination at normal temperature (below 30ºC). The Diamond Dotted Paper (DDP)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 90ºC, The Diamond Pattern Paper (DDP)begins one-off thaw and then one-off solidification. When to keep the temperature at 90ºC for 90 minutes, the epoxy resin would paste on neighboring cable and paper safely. The felt intensity is as high as to 70psl at 100ºC.(The value at least is equal to 0.450Mpa) (IEC standard)
Applications
The Diamond Dotted Paper to be used in oil immersed transformers,for coil insulation. 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.
 
Specifications:
1).Density :0.85~1.10 g/cm3
2). Width: 800mm, 960mm, 1000mm, 1050mm, 1200mm, 1300mm
3).Thickness:0.08mm, 0.13mm, 0.18mm, 0.25mm
4). good dielectric properties and good mechanical properties after heat solidification
2. Color: nature,brown  
3. Application :It is to be used in oil-immersed transformers for the insulation between 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.
 
 Electrical Insulation Diamond Dotted Paper for Transformer Insulation Material


  
Main Specification
PropertiesValues
ThicknessInch0.0030.0050.0070.0100.0150.020
mm0.080.130.180.250.380.50
Thickness tolerance±10%
Apparent density: g/cm^30.9~1.1, all thicknesses
Moisture content4.0% ~ 8.0%, all thicknesses
PH water extract6.0 ~ 8.0, all thicknesses
Ash content0.7% maximum
ElongationMD2%
TD4%
No-pollution oil of transformerNon-pollution
Coating thickness per side0.006mm to 0.012mm
Tear strengthMD55100140220410440
TD70145210370600700
Tensile strength, MpaMD707080808080
TD353535353535
Mullen burst strength, min(Psi)406590150200300
Dielectric breakdown (KV/layer)Dry Test0.751.101.402.102.903.10
Oil Test5.58.510.514.020.023.5
Bonding strengthMinimum 40 psi shear strength, tested at 100 degrees 450kpa.
 
DDP Technical Data
ITEMPropertyUnitIndex
1Thickness and Tolerancemm0.08
±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
2Densityg/cm³0.85~1.10
3One Side Coatingµm6~1210~15
4Moisture Content%4.0~8.0
5Ash Content%≤0.7
6Water Extraction of
Electrical Conductivity
mS/m≤8
7PH Water Extract 6.5~8.5
8Oil Absorption%≥20
9Bond StrengthKpa≥650
10Tensile
Strength
TDN/10mm60110160180230≥250
  MD 30507080100≥120
11BDVKV0.881.372.002.102.25≥2.50
                    
 
 
Electrical Insulation Diamond Dotted Paper for Transformer Insulation Material


 
2 Curing conduction stock
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.
 
 Packaging & Delivery
Packaging Details:
1. Roll packing in requested meter, protected by PP bag and carton, put on fumigation-free pallets, wrapped with shirinking film, finally palletized. 
2. According to customer's requirement. 
Delivery Time: 10 days after payment
 
 Please Contact Us
  Miss: lydia
Mob: 86-13752439076      Fax: 86-22-60863016        
http://www.chinainsulatingmaterial.com
 
 
 

 
 
 

Electrical Insulation Diamond Dotted Paper for Transformer Insulation Material

Electrical Insulation Diamond Dotted Paper for Transformer Insulation Material


 
Electrical Insulation Diamond Dotted Paper for Transformer Insulation Material
Electrical Insulation Diamond Dotted Paper for Transformer Insulation Material
 
 


 
 




 

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