Mica Products
Mica Foil
Mica foil is made of mica splittings, which is bonded together with backing material of glass cloth ( or polyester film, polyimide film ). Mica foil is hot moulding, of good moisture resistance. It is used as insulation in motors and electrical appliances of B, F and H class, as tube, slot lining and pole insulation.
| 5834-1 Epoxy PET film | 5840-1 Epoxy PI film | 841-1 Epoxy PET film | 5850 Silicone glass | ||
| Index | Unit | glass mica foil | glass mica foil | glass mica foil | mica foil |
| Thickness | mm | 0.15, 0.17, 0.20 | 0.15, 0.17, 0.20 | 0.15, 0.17, 0.20 | 0.15, 0.20, 0.25, 0.30 |
| Mica content ≥ | % | 30 | 30 | 30 | 50 |
| Binder conent | % | 25 ~ 35 | 25 ~ 35 | 25 ~ 35 | 15 ~ 30 |
| Volatile content ≤ | % | 1.0 | |||
| Dielectric strength ≥ | kV/mm | 45 | 45 | 45 | 16 |
| Can be formed to tube at | |||||
| Plasticity | - | Can be formed to tube at 110±5℃ after 15min. | 130±5℃ after 15min. | ||
| Temperature class ≥ | ℃ | 130 | 155 | 155 | 180 |
| Test method | - | JB/T901-1995 | |||
