Products Description
Name:Compressed Pressboard
Thickness:≥0.5mm
Key Features
Higher density: Typically 1.2–1.5 g/cm³, higher than standard pressboard
Minimal thickness change: Almost no swelling or compression in transformer oil
Excellent dimensional stability: Critical for tight-tolerance insulation components
Higher mechanical strength: Better resistance to compression and impact
Improved dielectric performance: Reduced voids lead to more consistent insulation properties
Low long-term compressibility: Maintains thickness under load over the transformer's lifespan
| Aspect | Compressed Pressboard | Standard Transformer Pressboard |
| Density | 1.2–1.5 g/cm³ | 1.1–1.4 g/cm³ |
| Compressibility | Very low | Moderate |
| Dimensional stability | Excellent | Good |
| Main use | High-precision, load-bearing insulation | General insulation and support |
Product Display





Application scenarios
Compressed Pressboard is widely used in all aspects of power systems. In cable manufacturing, insulating cardboard is often used as the insulation layer of cables to effectively isolate conductors and prevent current leakage. In transformers, insulating cardboard is used as the insulating material of oil-immersed transformers to ensure the safe operation of the transformer. In addition, insulating cardboard also plays an indispensabl


FAQ
1. how can we guarantee quality?
Always a pre-production sample before mass production
Always final Inspection before shipment
2.what can you buy from us?
Transformers,Transformer accessories,Transformer drawing design,Electric Equipment,New energy prime moverequipment manufacturing
3. who are we?
We are based in hangzhou, China, start from 2005,sell to Domestic Market(90.00%),Southeast Asia(10.00%). There are total about 51-100 people in our office.
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