Diamond-Pattern Dot-Coated Polyester Film
Main Parameters:
Insulation class:E Class (120℃)
Width: 1010mm
Thickness:0.025mm-0.35mm
Can be customized
Diamond dotted polyester film is the insulation material made by coating special modified epoxy resin on the electrical polyester film,and baked it to semi-cured state.
For the resin coating layer on the film is points but not a whole,the air and liquid can easy circulate in the passages between the resin coating,and this will minimize the damage of corona and partial discharge.
Diamond-Pattern Dot-Coated Polyester Film Description
Main features of the Diamond Dotted Film
—Insulation class:E Class (120℃)
—Width: 1010mm
—Thickness:0.025mm-0.35mm
—Can be customized
—The diamond dotted paper has been approved by UL (NO.: E310670) ,ROHS and REACH test.
Diamond-Pattern Dot-Coated Polyester Film Technical
| Item | Unit | Value | ||
| Base material thickness | mm | 0.05 | 0.075 | 0.10 |
| Thickness tolerance | mm | ±0.0 05 | ||
| Tensile strength | Mpa | ≥150 | ||
| Single resin thickness | um | 10～20 | ||
| Shrinkage | % | ≤1.5 | ||
| Power frequency breakdown voltage | V | ≥ 6000 | ≥ 7000 | ≥ 8000 |
| Bonding strength (bonding shear strength with copper plate) |
Mpa | ≥0.6 | ||
| Long-term heat resistance | ℃ | ≥130 | ||
| Storage | Store in a dry, clean and ventilated environment below 40 ℃. It is not allowed to be close to fire sources or heating, and protected from direct sunlight. The storage period is 10 months. The over storage period can be used after passing the inspection. | |||
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Diamond-Pattern Dot-Coated Polyester Film Applications
Diamond dotted polyester film can be used as layer insulation material in the insulation system of air or oil,and it mainly used as layer insulation or turn-to-turn insulation of six sulfur hexafluoride mutual inductor and transformer.
