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.
What'sApp Miki Su +86 151 1127 8083
Wechat: mickey998
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.
Technical Data
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 | | |
Oil absorption | ≥7.0% | 12.29 |
Shrinkage rate% MD | ≤1.0 | 0.16 |
Elongation rate MD | ≥3 | ≥4.4 |
Conductivity of aqueous extract Ms/m | ≤10.0 | 5.03 |
Dielectric breakdown:(Kv/mm )In Air | 10 | 16.7 |
+86-15111278083
[email protected]
mickey998
+86-15111278083
