Specification :

H41 Insulation Pressboard-made from Arauco Pulp
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.

H41 Transformer Board Technical Specifications:
No Item Unit Specification Standard
1 Thickness mm ¡Ü1.6mm ¡À7.0%
>1.6mm-8.0mm ¡À5.0%
2 Density g/cm3 ¡Ü1.6mm 1.00-1.20
>1.6mm-3.0mm 1.00-1.25
>3.0mm-6.0mm 1.15-1.30
>6.0m m-8.0mm 1.20-1.30
3 Tensile strength MD MPa ¡�90
CD MPa ¡�50
4 Elongation MD % ¡�3.0
CD ¡�4.0
5 Shrinkage MD % ¡Ü1.0
CD ¡Ü1.4
TD ¡Ü6.0
6 Moisture % 4.0¡ª9.0
7 Ash Content % ¡Ü1.0
8 Conductivity of Aqueous Extract Ms/m ¡Ü10
9 PH of Aqueous Extract / 6.0-9.0
10 Oil Absorbency % ¡�9.0
11 Electrical Strength (In Oil) Kv/mm 1.0mm ¡�35
1.5mm ¡�30
2.0mm ¡�30
2.5mm ¡�27
¡�3.0mm ¡�24
12 Cutti ng Size Tolerance mm 1.0mm-8.0mm ¡À10
13 Inclination Tolerance mm 1.0mm-8.0mm ¡À10

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.

Contact Person: Sarah Niu
Mob: 0086 13455649857
Skype: sarahniu2006
Email: hscorepaper@gmail.com
MSN: sarahniu2006@hotmail.com