Audited Supplier
Electrical Insulation presspaper Pressboard is made from 100% superior sulfate insulating wood pulp.
Characters and Applications for Electrical insulation paper/ presspahn paper /pressboard has high chemical purity, excellent elongation, good Mechanical and dielectric Strength For oil-immersed transformers, capacitors and switches
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.
Technical Data:
| Properties | Units | Values | |||||
| ≤1.6mm | >1.6-3.0mm | >3.0-6.0mm | |||||
| Thickness Tolerance | % | ≤ ±7.5 | ≤ ±5.0 | ||||
| Density | g/cm3 | 1.0-1.2 | |||||
| Tensile Strength | MD | Mpa | ≥80 | ≥80 | ≥80 | ||
| TD | ≥55 | ≥55 | ≥50 | ||||
| Elongation | MD | % | ≥6.0 | ||||
| TD | ≥8.0 | ||||||
| Shrinkage | MD | % | <0.7 | ||||
| TD | <1.0 | ||||||
| Thickness | <5.0 | ||||||
| Moisture Content | % | ≤8.0 | |||||
| Ash Content | % | ≤1.0 | |||||
| Electric Conductivity | Ms/m | ≤8.0 | |||||
| PH of Water Extractives | 6.0-9.0 | ||||||
| Electric breakdown Strength in oil | KV/mm | ≥40 | ≥30 | ≥25 | |||
Good Service : Quick respond and in-time delievery
Good Quality :We have a stronger and rich experience technical team and a strict quality control system.
Price:Our price is very competetive for the same quality.
Our Service:
Your inquiry related to our product & price will be replied within 24hours.
Well-trained & experienced staff are to answer all your inquiries in English of course.
Good after-sale service offered, please get back if you got question.
