Product Description:
Huisheng Group Co., Ltd. (International Depart.) supply Transformer Insulation Pressboard H4, 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, 6400mm*3200mm and customized size Transformer pressboard:
Large Size:4400*1600mm, 4200*2100mm, 4000*2000mm; Medium Size: 2200*1600mm, 2200*1470mm, 2200*1400mm; Small Size: 2200*1100mm, 2200*1000mm, 2000*1000mm.
H4 Transformer Board Technical Specifications:
Item Unit Specification Standard
Thickness mm ≤1.0 ±6%
≤1.5-1.6 ±6%
≤2.0-3.2 ±4%
4.0 ±4%
≥5.0 ±4%
Density g/cm3 ≤1.6 1.05-1.20
>1.6-3.0 1.15-1.25
>3.0-6.0 1.20-1.30
>6.0-8.0 1.20-1.30
Moisture % 1.0-8.0 ≤6.0%
Tensible Strength MD MPa ≤1.6mm ≥105
>1.6-3.0 ≥110
>3.0-6.0 ≥115
>6.0-8.0 ≥115
CD ≤1.6mm ≥80
>1.6-3.0 ≥90
>3.0-6.0 ≥90
>6.0-8.0 ≥90
Elongation MD % 1.0-8.0 ≥3
cd 1.0-8.0 ≥4
Ash Content % 1.0-8.0 ≤0.6
Shrinkage MD % 1.0-8.0 ≤0.5
cd 1.0-8.0 ≤0.7
td 1.0-8.0 ≤5.0
PH of Aqueous Extract / 1.0-8.0 6.0-8.0
Conductivity of Aqueous Extract Ms/m ≤1.6mm ≤4.5
>1.6-3.0 ≤5.0
>3.0-6.0 ≤6.0
>6.0-7.0 ≤7.0
>7.0-8.0 ≤8.0
Compression % ≤1.6mm ≤10.0
>1.6-3.0 ≤7.5
>3.0-6.0 ≤5.0
>6.0-8.0 ≤4.0
Recoverable factor after Compression % ≤1.6mm ≥50
>1.6-3.0 ≥55
>3.0-6.0 ≥55
>6.0-8.0 ≥55
Electrical Strength (In air) KV/mm ≤1.6mm ≥13.0
>1.6-3.0 ≥13.0
>3.0-6.0 ≥13.0
>6.0-8.0 ≥12.0
Oil Absorption % ≤1.6mm ≥11.0
>1.6-3.0 ≥9.0
>3.0-6.0 ≥7.0
>6.0-8.0 ≥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.
Company Contact:
Contact Name: Sarah Niu
Company Name: Huisheng Group Co., Ltd.
Email:
Tel: 0086-536-8663860
Fax: 0086-536-8663810
Street Address: No. 6 Zeerzhuang
Road, Kuiwen District, China
Member name: hscorepaper
Country:
China
Member Since: 26 September 2010
Total Leads:
7 hscorepaper Import Export Business Leads
Business focus: Core Board Paper, Tube Paper, Transformer Board, Insulation Board
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