DDP Double Sided Contact Paper for Transformer Insulation Material

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
Thermal Rating: A 105
Maximum Voltage: 20KV~100KV

Products Details

Basic Info.

Model NO.
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
Double Side
Available
Transport Package
Pallet
Specification
ROLL
Trademark
XINCHENG
Origin
China
HS Code
4811490000
Production Capacity
5000t/Year

Product Description

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.
 
 DDP Double Sided Contact Paper for Transformer Insulation Material

DDP Double Sided Contact Paper for Transformer Insulation Material



  
Main Specification
Properties Values
Thickness Inch 0.003 0.005 0.007 0.010 0.015 0.020
mm 0.08 0.13 0.18 0.25 0.38 0.50
Thickness tolerance ±10%
Apparent density: g/cm^3 0.9~1.1, all thicknesses
Moisture content 4.0% ~ 8.0%, all thicknesses
PH water extract 6.0 ~ 8.0, all thicknesses
Ash content 0.7% maximum
Elongation MD 2%
TD 4%
No-pollution oil of transformer Non-pollution
Coating thickness per side 0.006mm to 0.012mm
Tear strength MD 55 100 140 220 410 440
TD 70 145 210 370 600 700
Tensile strength, Mpa MD 70 70 80 80 80 80
TD 35 35 35 35 35 35
Mullen burst strength, min(Psi) 40 65 90 150 200 300
Dielectric breakdown (KV/layer) Dry Test 0.75 1.10 1.40 2.10 2.90 3.10
Oil Test 5.5 8.5 10.5 14.0 20.0 23.5
Bonding strength Minimum 40 psi shear strength, tested at 100 degrees 450kpa.
 
DDP 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 % ≤0.7
6 Water Extraction of
Electrical Conductivity
mS/m ≤8
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
                                       

 



 
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
 
http://chinainsulation.en.made-in-china.com
 
 
 

DDP Double Sided Contact Paper for Transformer Insulation Material
DDP Double Sided Contact Paper for Transformer Insulation Material
DDP Double Sided Contact Paper for Transformer Insulation Material
DDP Double Sided Contact Paper for Transformer Insulation Material
DDP Double Sided Contact Paper for Transformer Insulation Material
DDP Double Sided Contact Paper for Transformer Insulation Material
DDP Double Sided Contact Paper for Transformer Insulation Material
DDP Double Sided Contact Paper for Transformer Insulation Material
DDP Double Sided Contact Paper for Transformer Insulation Material


 

 
 DDP Double Sided Contact Paper for Transformer Insulation Material

 
 




 

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