| Customization: | Available |
|---|---|
| Material: | Wood Pulp |
| Tensile Strength: | Good |
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Accurate specifications ensure that we provide professional products
|
Item |
Test standard |
Measured value |
Standard value |
|
Thickness tolerance |
IEC 641-2 |
≤ 1.6 mm 6.00 % |
±7.5 % |
|
> 1.6 - 8.0 mm 4.00 % |
± 5.0 % |
||
|
Apparent density |
IEC 641-2 |
≤ 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 |
IEC 641-2 |
≤ 1.6 mm 107 N/mm² |
100 N/mm² |
|
> 1.6 - 4.0 mm 128 N/mm² |
105 N/mm² |
||
|
Min. tensile strength C.M.D, unfolded |
IEC 641-2 |
≤ 1.6 mm 77 N/mm² |
75 N/mm² |
|
> 1.6 - 4.0 mm 83 N/mm² |
80 N/mm² |
||
|
Min. elongation M.D, unfolded |
IEC 641-2 |
3.90% |
3.00% |
|
Min. elongation C.M.D, unfolded |
IEC 641-2 |
4.10% |
4.00% |
|
Max. moisture content |
IEC 641-2 |
4.20% |
6.00% |
|
Max. ash content |
IEC 641-2 |
0.30% |
1.00% |
|
pH of aqueous extract |
IEC 641-2 |
6.3 |
6.0 - 9.0 |
|
Max. shrinkage M.D |
IEC 641-2 |
0.40% |
0.50% |
|
Max. shrinkage C.M.D |
IEC 641-2 |
0.60% |
0.70% |
|
Max. thickness shrinkage |
IEC 641-2 |
3.90% |
5.00% |
|
Min. oil absorption |
IEC 641-2 |
≤ 1.6 mm 13.7 % |
11.00% |
|
> 1.6 - 4.0 mm 10.6 % |
9.00% |
||
|
Compressibility C |
IEC 641-2 |
≤ 1.6 mm 9.4 % |
10.00% |
|
> 1.6 - 4.0 mm 5.7 % |
7.50% |
||
|
Revers. part of compressibility Crev |
IEC 641-2 |
≤ 1.6 mm 54 % |
45% |
|
> 1.6 - 4.0 mm 71 % |
50% |
||
|
Min. breakdown voltage in oil |
IEC 641-2 |
≤ 1.6 mm 50 kV/mm |
40 kV/mm |
|
> 1.6 - 4.0 mm 45 kV/mm |
35 kV/mm |
||
|
Max. conductivity of aqueous extract |
IEC 641-2 |
≤ 1.6 mm 3.3 mS/m |
5.0 mS/m |
|
> 1.6 - 4.0 mm 3.5 mS/m |
6.0 mS/m |
Next let us see more details
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.
Where can we use the product?
Product application will make us a direct impression.
Product Application of pressed cardboard paper sheet To use as insulation material in Power and Distribution Transformers
It is the base material for components like cyclinder, strips, spacers, rings. washers, plates, machine formed and moulded parts, punching and laminates.
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From raw materials to finished products, every process is tested and controlled professionally and seriously by our professional machines and person.
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