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Weifang Huisheng Insulation Technology Co., Ltd.
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Insulating Board
| Place of Origin: | Shandong, China (Mainland) |
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Product Detail
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
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
H41 Transformer Board Technical Specifications:
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No
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Item
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Unit
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Specification
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Standard
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1
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Thickness
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mm
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≤1.6mm
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±7.0%
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>1.6mm-8.0mm
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±5.0%
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2
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Density
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g/cm3
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≤1.6mm
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1.00-1.20
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>1.6mm-3.0mm
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1.00-1.25
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>3.0mm-6.0mm
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1.15-1.30
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>6.0mm-8.0mm
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1.20-1.30
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3
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Tensile strength
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MD
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MPa
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≥90
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CD
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MPa
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≥50
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4
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Elongation
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MD
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%
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≥3.0
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CD
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≥4.0
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5
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Shrinkage
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MD
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%
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≤1.0
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CD
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≤1.4
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TD
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≤6.0
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6
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Moisture
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%
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4.0—9.0
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7
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Ash Content
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%
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≤1.0
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8
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Conductivity of Aqueous Extract
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Ms/m
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≤10
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9
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PH of Aqueous Extract
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/
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6.0-9.0
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10
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Oil Absorbency
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%
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≥9.0
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11
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Electrical Strength (In Oil)
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Kv/mm
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1.0mm
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≥35
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1.5mm
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≥30
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2.0mm
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≥30
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2.5mm
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≥27
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≥3.0mm
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≥24
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12
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Cutting Size Tolerance
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mm
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1.0mm-8.0mm
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±10
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13
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Inclination Tolerance
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mm
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1.0mm-8.0mm
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±10
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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.
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Company Info
Weifang Huisheng Insulation Technology Co., Ltd. [China (Mainland)]
Business Type:Manufacturer
City: Weifang
Province/State: Shandong
Country/Region: China (Mainland)
