24.6 kV Breakdown Voltage and 188% MD Elongation from a PET Polyester Film Factory and Supplier
Product Overview
At 188μm, PET insulation film crosses into heavy-gauge territory. It is used where higher voltage must be contained and where the film has to survive punching, die-cutting, and repeated mechanical handling. The 188μm PET Polyester Film delivers a 24.6 kV breakdown voltage and 188% MD elongation — it stretches rather than tears under stress. Those properties only hold at scale if the PET Polyester Film Manufacturer controls both thickness and molecular orientation consistently.
Technical Characteristics
The following values are typical data for the 188μm specification. They are not intended as limiting specifications.
- Material: PET (Polyethylene Terephthalate)
- Thickness: 188 μm
- Tensile Strength: MD 183 MPa / TD 177 MPa
- Elongation at Break: MD 188% / TD 127%
- Thermal Shrinkage at 150°C, 30min: MD 1.0% / TD 0.1%
- Breakdown Voltage: 24.6 kV
- Volume Resistivity at 20°C: 5E+17 Ω·cm
- Dissipation Factor at 20°C, 1kHz: 43
- Coefficient of Friction: Not specified for this thickness
Key Properties
- 24.6 kV breakdown voltage for high-voltage insulation
- High MD elongation for tough die-cutting and punching
- Low TD shrinkage for dimensional control
- Consistent batch performance from a qualified factory
Applications
188μm PET Polyester Film is used for heavy electrical insulation, flyback transformers (FBT), choke coils, wire insulation and cable tape, flexible printed circuits (FPC), membrane switches, die-cut insulation parts, and spiral tube converting. This gauge suits electrical, electronic, and flexible circuit manufacturing where higher insulation margins and mechanical toughness are both required.
Why Choose Jinlu Film as Your Manufacturer
Jinlu Film is a PET Polyester Film Manufacturer, Factory, and Supplier with factory-direct pricing, consistent thickness control, and stable dielectric performance. As a factory, we support custom width and roll length, export-grade packing, and global shipping. If you are comparing PET Polyester Film suppliers, request a sample and compare our batch data against the spec sheet.
Contact us today for a factory quote, technical data, or a sample of 188μm PET Polyester Film.
