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Xuchang Zhufeng Insulation Material Co., Ltd.

Chipboard, Insualtion Board, Pressboard manufacturer / supplier in China, offering Transformer Board, Epoxy Glass Cloth Laminate Sheet (3240), Mylar Film/Polyester Film and so on.

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Transformer Board

FOB Price: Get Latest Price
Min. Order: 500 KG
Production Capacity: 30000kg/Week
Transport Package: Pallet
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info
  • Application: Transformer
  • Chemistry: Organic Insulation
  • Classification: Hybrid Insulation Materials
  • Color: Red and Natural Color
  • Specification: 1m*2m
  • Type: Pressboard
  • Material: Wooden Pulp
  • Certification: ISO9001
  • Brand: Zhufeng
  • Origin: China
Product Description
Transformer board
Insulation pressboard is 100% superior sulfate insulation wood pulp.
Standard: IEC60641-3-1: 1992
Aprrarent Density: 1.0-1.3G
Material: Unbleached sulphate pulp thickness: 0.8-8mm
Size: 1mx2m 2mx4m
Color: Brown
Feature: Good mechanical stength, high electric strength resistance, larger tightness, smaller shrinkage, excellent flatness are the main strong strengths of this product.
It be mainly used in the clapboards of transformers
XUCHANG ZHUFENG INSULATION MATERIAL CO., LTD
 
Technical data
Product Name:Pressboard      
Producing StandardIEC60641-3-1:1992  
No.IndexUnit SpecificationStandard
1Thickness Deviation%less 2.0mm±6%
≥2.0mm±4%
2Densityg/cm3 ≤1.6mm1.05-1.20
1.6-3.0mm1.15-1.25
3.0-6.0mm1.20-1.30
3.0-8.0mm1.20-1.30
3Water content1.0-8.0mm≤6.0
4Tensile strength MDN/mm2≤1.6mm≥105
1.6-3.0mm≥110
3.0-6.0mm≥115
3.0-8.0mm≥115
CMD N/mm2≤1.6mm≥80
1.6-3.0mm≥90
3.0-6.0mm≥90
3.0-8.0mm≥90
5ElongationMD1.0-8.0mm≥3
 CMD 1.0-8.0mm≥4
6 MD1.0-8.0mm≤0.5
 ShrinkageCMD 1.0-8.0mm≤0.7
  Thickness1.0-8.0mm≤5.0
7 Ash Content1.0-8.0mm≤0.6
8Oil Absorption≤1.6mm≥11
1.6-3.0mm≥9.0
3.0-6.0mm≥7.0
3.0-8.0mm≥7.0
9PH of aqueous Extract1.0-8.0mm6.0-8.0
10Conductivity of aqueous ExtractMs/m≤1.6mm≤4.5
1.6-3.0mm≤5.0
3.0-6.0mm≤6.0
6.0-7.0mm≤7.0
7.0-8.0mm≤8.0
11Electric Strength In air kv/mm≤1.6mm≥13.0
1.6-6.0mm≥13.0
6.0-8.0mm≥12.0
in oilkv/mm≤1.6mm≥45
1.6-8.00mm≥35

Transformer BoardTransformer Board
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