Main wall insulation for VPI without accelerator
Flexible for an easy coil or bar manufacture
Excellent impregnability
For Thermal Class F/H insulation system
Raw materials: base upon woven glass fabric with an impregnated muscovite micapaper.
Application: be used in high voltage motors and generators for the slot and end winding insulation of coils and bars, which are to be vacuum pressure impregnated (VPI).
Process: recommend half lapped
Size: width 15mm and above
Technical datasheet
Property | Unit | Value | Test method |
Thickness | mm | 0.15±0.03 | IEC 60371-2 |
Total weight | g/m2 | 213± 20 | IEC 60371-2 |
Mica paper | g/m2 | 180± 12 | IEC 60371-2 |
Glass fabric | g/m2 | 23±2 | IEC 60371-2 |
Resin content | g/m2 | 10±4 | IEC 60371-2 |
Tensile strength | N/cm | ≥80 | IEC 60371-2 |
Stiffness | N/m | ≤50 | IEC 60371-2 |
Breakdown voltage | kV | ≥1.7 | IEC 60371-2 |
Porosity | s/100ml | ≤800 | ISO 5636/5 |
Thermal class | F (155℃) | IEC 60085 | |
Min. shelf life at 20℃ | Mt. | 24 |