Insulation Pressboard for Transformer

Product Details
Customization: Available
Application: Transformer, Electrical Winding Insulation, Winding Wire Coating Insulation, Insulating Varnish
Color: Brown
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Registered Capital
1000000 RMB
Plant Area
101~500 square meters
  • Insulation Pressboard for Transformer
  • Insulation Pressboard for Transformer
  • Insulation Pressboard for Transformer
  • Insulation Pressboard for Transformer
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Basic Info.

Maximum Voltage
20KV~100KV
Thermal Rating
A 105
Key Words
Pressboard
Useage
Transformer Winding Insulation Material
Type
Insulation Paper
Chemistry
Organic Insulation
Classification
Hybrid Insulation Materials
Certification
ISO9001
Transport Package
Wooden Pallets
Specification
1000x2000
Trademark
xin cheng
Origin
China
Production Capacity
10000ton/Year

Product Description

Isulation pressboard

Introduction:
It is made of 100% sulfate wood pulp and has high density (similar to T4). It has excellent properties of very flat, highest mechanical and electrical strength and little shrinkage. It is used in oil-immersed power transformer.
Pressboard standard: IEC 641-3-1
Thickness: 1.0-8.0mm
Size (mm): 6300*3200, 6300*1600, 4200*3200, 4200*1600, 3200*3150, 3200*2100, 2000x1000 1000x1000
 
  Index. Unit Values
≤1.6 >1.6~3.0 >3.0
1 Nominal thickness tolerance % ≤10(±)
2 Nominal Grammage g/cm3 1.00~1.20 1.00~1.25 1.15~1.30
3 Shear strength ,M.D. Mpa ≥100 ≥105 ≥110
4 Shear strength, C.M.D. Mpa ≥75 ≥80 ≥85
5 Elongation (M.D.) % ≥3.0
6 Elongation (C.M.D.) % ≥4.0
7 Shrinkage % ≤10.0 ≤7.5 ≤5.0
8 Shrinkage which would resume % ≥45 ≥50 ≥50
11 Shrinkage: M.D. % ≤0.5
C.M.D. ≤0.7
Thickness direction ≤4.0
12 Moisture content % ≤6.0
13 Ash content % ≤1.0
14 Electrical conductivity of aqueous extract ms/m ≤1.6 >1.6~3.0 >3.0
15 Aquesous extract (PH) - 6~9
16 Oil absorption % ≥11.0 ≥9.0 ≥7.0
17 Voltage resistant strength(In air) MV/m ≥12 ≥11 ≥10
18 Voltage resistant strength(In oil) MV/m ≥40 ≥35 ≥30

Insulation Pressboard for Transformer


 

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