TitleProduct

Electrical Laminated Wood Boards Plywood Sheet

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Tianjin

  • Validity to:

    Long-term effective

  • Last update:

    2019-10-27 02:51

  • Browse the number:

    161

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Company Profile

Kang Liyuan Science & Technology (Tianjin) Co., Ltd

By certification [File Integrity]

Contact:kly123(Mr.)  

Email:

Telephone:

Phone:

Area:Tianjin

Address:Tianjin

Website:http://www.insulationmaterial-china.com/ http://kly123.admprinting.com/

Product Details


Description

Plywood is produced by gluing together, in high temperature (145-150ºC) and under high pressure (6-12 MPa), 2mm-thick beech veneers with durable, moisture-resistant adhesives.


Specification:

Thickness: 10-70mm

Standard Length &Width:

3000 * 1500 mm

2400 * 1200 mm

2000 * 1000 mm

2200 * 1200 mm

Technical Parameter

Item

Index

Unit

Index data

Physical

property

Density

T/m3

0.9-1.1

Rate of water content

%

≤ 7

Thickness shrinkage ratio after drying

%

≤ 1.5

Oil absorption rate

%

> 10

Ultimate thickness expansion rate after oil impregnation

%

≤ 0.5

Compatibility with transformer oil


Good

Mechanical

property

Tensile strength

Parallel direction

Mpa

≥50

Compressive strength

Parallel direction

Mpa

≥50

Vertical direction

Mpa

≥120

Bending strength

Parallel direction

Mpa

≥100

Vertical direction

Mpa

≥100

Electrical

property

Volume resistivity

MΩ/m

≥ 10a

Electrical strength (50Hz)

20ºC Transformer (Vertical)

Mv/m

≥9

90ºC Transformer (Vertical)

Mv/m

≥7

20ºC Transformer (Parallel)

Kv/m

≥45

90ºC Transformer

Kv/m

≥35

Dielectric loss factor (tg δ) (50Hz)

20ºC Transformer oil


≤0.2

90ºC Transformer oil


≤0.13

Relative dielectric constant (∑ n)

20ºC Transformer oil


≤3

90ºC Transformer oil


≤3.6


Application

It is widely used as insulation and supporting material in oil-cooled transformers.


Package

Wooden cases

Pallet

http://www.insulationmaterial-china.com/