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Pressboard Strip PSP3052 (Transformer strip)

Pressboard Strip PSP3052 (Transformer strip)

Pressboard PSP3052 (Transformer Board PSP3052) is a special product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed. Due to its high chemical purity, pressboard is excellently suited as an insulation material in electric machines, capacitors and oil-filled transformers.
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Product description
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Type B 3.1 in according to IEC 641-1

 

Description

Pressboard PSP3052 (Transformer Board PSP3052) is a special product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed. Due to its high chemical purity, pressboard is excellently suited as an insulation material in electric machines, capacitors and oil-filled transformers.

 

Features

Insulation class A (105 °C)

Natural-coloured

Hot-pressed Pressboard, 100 % sulphate pulp

High hardness and stiffness

Low shrinkage and compatibility

High purity and mechanical strength

Good compatibility with liquid dielectrics

Further processing is ensured since the pressboard can be punched, folded, cut and formed without difficulty.

 

Applications

To use as insulations material in Power and Distribution Transformers

It is the base material for components like cyclinders, strips, spacers, rings. washers, plates, machine formed and moulded parts, punchings and laminates.

 

TRANSFORMER OIL DUCT STRIP DATA SHEET

PRESSBOARD STICK4*5*1000MM

ITEM

TYPICAL VALUES

MATTER OF FACT

Thickness: mm

4mm±7.5%

4.1-4.3mm≤7.5%

Width 

5±0.5mm

4.95-5.38mm≤0.4mm

Length of 1000mm:

±5mm

1000±3 mm 

Pitch of stick centre:

±3mm

23±2 mm

Apparent density: g/cm3

1.1-1.2

1.18

Moisture content ,%

4.0 to 9.0%

5.7

PH water extract:

6.0 to 9.0

6.8

Ash content,% maximum

1%

0.51

Tensile strength Mpa
Machine direction:
Cross machine direction:

 
≥90
≥50

 
107.4
101.3

Oil absorption 

≥7.0%

12.29

Shrinkage rate% MD
CMD
Thickness D

≤1.0
≤1.4
≤6.0

0.16
0.25
≤5

Elongation rate MD
CMD

≥3
≥4

≥4.4
≥4.4

Conductivity of aqueous extract Ms/m

≤10.0

5.03

Dielectric breakdown:(Kv/mm )In Air
In Oil

10
24

16.7
35.7

Report date: May 20, 2015

 

Packaging & Delivery

Packaging Details: plywood case/wooden case

Delivery Detail: Shipped in 15 days after payment

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