Transformer Board H4 - China

H4 Transformer Board Production Description:

1) Pre-compressed Pressboard, with Quality Standard: IEC60641-3-1: 1992/GB/T 19264.3-2003

2) Thickness: 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 7.0mm, 8.0mm

3) Material: 100% unbleached sulfate pulp imported from Canada, Russia.

4) High density, high mechanical strength, high electric strength and low compression index.

5) 4400mm*2200, 6300mm*3200mm and customized size Transformer pressboard

H4 Transformer Board Technical Specifications:

Item Unit Specification Standard

Thickness mm ≤1.0mm ±6%

≤1.5mm-1.6mm ±6%

≤2.0mm-3.2mm ±4%

4.0mm ±4%

≥5.0mm ±4%

Density g/cm3 ≤1.6mm 1.05-1.20

>1.6mm-3.0mm 1.15-1.25

>3.0mm-6.0mm 1.20-1.30

>6.0mm-8.0mm 1.20-1.30

Moisture % 1.0mm-8.0mm ≤6.0%

Tensible Strength MD MPa ≤1.6mm ≥105

>1.6mm-3.0mm ≥110

>3.0mm-6.0mm ≥115

>6.0mm-8.0mm ≥115

CD ≤1.6mm ≥80

>1.6mm-3.0mm ≥90

>3.0mm-6.0mm ≥90

>6.0mm-8.0mm ≥90

Elongation MD % 1.0mm-8.0mm ≥3

CD 1.0mm-8.0mm ≥4

Ash Content % 1.0mm-8.0mm ≤0.6

Shrinkage MD % 1.0mm-8.0mm ≤0.5

CD 1.0mm-8.0mm ≤0.7

TD 1.0mm-8.0mm ≤5.0

PH of Aqueous Extract / 1.0mm-8.0mm 6.0-8.0

Conductivity of Aqueous Extract Ms/m ≤1.6mm ≤4.5

>1.6mm-3.0mm ≤5.0

>3.0mm-6.0mm ≤6.0

>6.0mm-7.0mm ≤7.0

>7.0mm-8.0mm ≤8.0

Compression % ≤1.6mm ≤10.0

>1.6mm-3.0mm ≤7.5

>3.0mm-6.0mm ≤5.0

>6.0mm-8.0mm ≤4.0

Recoverable factor after Compression % ≤1.6mm ≥50

>1.6mm-3.0mm ≥55

>3.0mm-6.0mm ≥55

>6.0mm-8.0mm ≥55

Electrical Strength (In air) KV/mm ≤1.6mm ≥13.0

>1.6mm-3.0mm ≥13.0

>3.0mm-6.0mm ≥13.0

>6.0mm-8.0mm ≥12.0

Oil Absorption % ≤1.6mm ≥11.0

>1.6mm-3.0mm ≥9.0

>3.0mm-6.0mm ≥7.0

>6.0mm-8.0mm ≥7.0

Electrical Strength (In Oil) KV/mm ≤1.0mm ≥45

≥1.5mm-1.6mm ≥45

>1.6mm-2.0mm ≥35

>2.0mm-2.5mm ≥35

>2.5mm-3.0mm ≥35

>3.0mm-6.0mm ≥35

>6.0mm-8.0mm ≥35

PLY Bond Visual Measurement Obvious rough, fibers coming out when tearing

Cutting Size Tolerance mm 1.0mm-8.0mm ±10mm

Inclination Tolerance mm 1.0mm-8.0mm ±10mm

Usage:

Mainly used in oil-immersed transformer as insulation material, also used in reactor mutual inductance ware, electric device and etc.

Package:

Wrapped with vinyl film for waterproof, weaved material, then core paper packed, and wooden pallets.

Transformer Board H4

For any questions and needs please contact us below

Company Contact:

• Posted By: Huisheng Group Co., Ltd.

• Phone: 00865368663860

• Address: No.6 Zeerzhuang Road, Kuiwen District, Weifang , China

• Email:

• Business Description: Huisheng Group Co., Ltd is the biggest manufacturer of core board, core paper, specialty paper and one of the three biggest manufacturers of transformer board, Insulation Board, and pre compressed pressboard in China.
  
  It has two wholly owned subsidiaries: Weifang Huisheng Insulation Technology Co., Ltd and Weifang Huisheng Paper Tube Co., Ltd.
  
  We always insist on good faith, steadiness, excellence, all win, enhancing company management and improve production structure.
  
  We have built good brand image and received good remarks from customers home and abroad by best quality, technical renovation, advanced management mode, quality assurance (control) system.
  
  Huisheng Group considers good faith as our survival principle and has been awarded Reliable Enterprise of Shandong Province title.
  
  We strictly keep clearing form and time in contract with suppliers.
  
  Our persistent service conception to clients: The honorable needs of yours, the highly responsibility of ours.
  
  And We take all difficulties which customers couldn't overcome as our mission.
  
  Huisheng Group keep every promise to the staff whose income are in top rank in Weifang City.
  
  We insist on the environment principle of clean production, healthy working, enjoy life, seeking of saving energy and reducing consumption, realizing clean production, developing recycling economy, achieving double win of economic and environmental benefits.
  
  We were awarded Grade A Enterprise of Clean Production of Shandong title.
  
  According to national industry policies and market demand, after importing critical equipments and techniques from overseas, our pre compressed pressboard production line, currently the most modernized in domestic, is established and put into running with annual output of 5, 000 metric tons.
  
  Verified and certified by national authorities that our product quality already approached to the highest level among all other competitors, finally they are present in the market successfully.
  
  The truth proves that our products are the hi tech insulation materials for making more than 110 KV large scale high voltage transformers, which are duly in compliance with national industry policies.
  
  
  
  In order to make full use of our advantages, we are about to build up another pre compressed pressboard production line with domestic leading hot pressing pressure, meeting the application demand in more than 500 KV transformers.
  
  Our Group will have annual production capacity of 200, 000 tons core board and 18, 000 hi voltage pre compressed pressboard.
  
  The annual turnover will be 220 million USD, the profit tax will be 44 million USD, the expense of taxation will be 22 million USD.
  
  We will be the leading and the biggest manufacturer of middle high core board and hi voltage pre compressed pressboard in China.