High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard

Product Details
Customization: Available
Application: High Temperature
Tensile Strength: Good
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  • High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard
  • High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard
  • High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard
  • High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard
  • High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard
  • High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard
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Basic Info.

Model NO.
3050
Type
Insulation Sheet
Rated Voltage
35kv-110kv
Name
Insulation Pressboard
Nsulation Class
a (105)
Diameter
10-50mm
Usage
Exterior Tiles
Warranty
12
Material
Wood Pulp
Refractoriness
105
Apparent Density
Press
Color
Blue, Brown, Red, Green
Transport Package
Wooden Cases or Wooden Pallet10 Ply Plywood
Specification
1000x2000
Trademark
Powerwell
Origin
Hunan, China
Production Capacity
500000 Kilogram/Kilograms Per Month

Product Description

High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard

Item

Test standard

Measured

Standard value

value

Thickness tolerance

IEC 641-2

≤ 1.6 mm 6.00 %

±7.5 %

> 1.6 - 8.0 mm 3.00 %

± 5.0 %

Apparent density

≤ 1.6 mm 1.09 g/cm³

1.00 - 1.20 g/cm³

> 1.6 - 4.0 mm 1.15 g/cm³

1.10 - 1.25 g/cm³

Min. tensile strength M.D. unfolded

≤ 1.6 mm 75 N/mm²

70 N/mm²

> 1.6 - 4.0 mm 90 N/mm²

80 N/mm²

Min. tensile strength C.M.D, unfolded

≤ 1.6 mm 60 N/mm²

50 N/mm²

> 1.6 - 4.0 mm 70 N/mm²

55 N/mm²

Min. elongation M.D, unfolded

6.50%

6.00%

Min. elongation C.M.D, unfolded

8.10%

8.00%

Max. moisture content

7.60%

8.00%

Max. ash content

0.80%

2.00%

pH of aqueous extract

6.3

6.0 - 9.0

Max. shrinkage M.D

0.40%

0.50%

Max. shrinkage C.M.D

0.60%

0.70%

Max. thickness shrinkage

3.90%

5.00%

Min. oil absorption

≤ 1.6 mm 13.7 %

11.00%

> 1.6 - 4.0 mm 10.6 %

9.00%

Compressibility C

≤ 1.6 mm 9.4 %

10.00%

> 1.6 - 4.0 mm 5.7 %

7.50%

Revers. part of compressibility Crev

≤ 1.6 mm 54 %

45%

> 1.6 - 4.0 mm 71 %

50%

Min. breakdown voltage in oil

≤ 1.6 mm 15 kV/mm

12 kV/mm

> 1.6 - 4.0 mm 13 kV/mm

10 kV/mm

Max. conductivity of aqueous extract

≤ 1.6 mm 3.3 mS/m

10 mS/m

> 1.6 - 4.0 mm 3.5 mS/m

10 mS/m

 

High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard

High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard

High Quality Electricity High Grade Transformer Pressboard Insulation Laminated Sheet Transformer Insulation Paper Pressboard

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