Flexible Composite Materials
SHS Prepreg
Polyimide film + Class H adhesive + polyester non-woven + epoxy prepreg, Class H
SHS prepreg is a flexible composite of polyimide film coated with a Class H adhesive and a polyester fiber non-woven, impregnated with a semi-cured epoxy prepreg resin to become a reliable hot adhesive material.
Class H (180°C)0.14 mmBreakdown (air) 5.4 kV
- Temperature class
- Class H (180°C)
- Thickness
- 0.14 mm
- Grammage
- 138.7 g/m²
- Width
- 5–1000 mm
Request a quotation or a sample. Tell us thickness, width, temperature class, quantity and delivery form. We reply within one business day.
Technical data
| Property | Unit | Value |
|---|---|---|
| Structure | — | Polyimide film + Class H adhesive + polyester non-woven + epoxy prepreg |
| Thickness | mm | 0.14 |
| Grammage | g/m² | 138.7 |
| Width | mm | 5–1000 |
| Tensile strength MD / TD | N/10 mm | 81.5 / 39.7 |
| Elongation MD / TD | % | 17 / 24 |
| Breakdown voltage, in air | kV | 5.4 |
| Lamination | — | No layering, no bubbles or other defects |
| Temperature class | — | Class H (180°C) |
Values are typical values or ranges from our product data. Bulk supply is subject to the approved specification, sample and test report. If a parameter you need is not listed here, ask our engineers for the full test report for that grade.
Key features
- Prepreg resin is supplied semi-cured and forms a hot bond when heated.
- Polyimide film provides Class H heat resistance and dielectric strength.
- For layer, end-seal, ground and motor turn insulation.
Applications
Layer, end-seal and ground insulation in Class H dry-type transformers; turn insulation in Class H motors; high-strength insulation systems.
Dry-Type TransformersElectric Motors & GeneratorsSwitchgear & Electrical Equipment
Why it fits
For Class H systems that must be bonded, not just stacked - the prepreg resin becomes the adhesive.
Ordering information
To receive a quotation, please confirm:
- Product and grade
- Thickness and width (and roll or sheet size)
- Temperature class
- Quantity and delivery form (roll / sheet / die-cut / machined)
- Destination port and required delivery date
For machined parts, attach a drawing in PDF, DWG or STEP format. Datasheets, COAs and batch test data are available on request.
Related materials
Often specified together
Send your specification
Our export team reviews the application, the process and the existing specification before recommending a construction.