PSP Board
Pressboard insulation material for all transformers including ultra-high voltage level. Combining electrical and thermal reliability with secure European supply to support largest unit sizes and long term delivery reliability.
PSP board for your long-term needs
PSP board from delfort is a high-performance electrical insulation material for high- and ultra-high-voltage transformers. It combines excellent electrical insulation, high mechanical strength, and predictable long-term performance. Produced in Europe on a state‑of‑the‑art machine, it offers transformer manufacturers secure long‑term supply, consistent quality, and reliable support for multi‑year grid and energy transition projects.
Benefits
- Produced on a state-of-the-art board machine dedicated exclusively to PSP board
- Stable electrical and mechanical performance over decades
- Suitable for use in high voltage and ultra high voltage applications
- Reliable PSP board production and supply from Europe (Tervakoski)
- High planning security for long term projects
- Lower risk of transformer failure with superior mechanical properties — reducing both maintenance costs and unplanned outage exposure
Features
- Wide grammage range from 1,000 to 10,000 g/m2
- High mechanical strength and rigidity
- Fully compatible with insulating oils
- Predictable aging behavior
- Supplied in all industry standard sheet formats
ApplicationS
- From low to ultra-high voltage transformers
- Cylinders
- Ducts strips and other spacers
- Insulation rings, angle rings and other applications