PI Overlay Film Polyimide Coverlay Film
PI overlay film is a covering film made of PI film as the base material, coated with epoxy glue, and covered with release liner. It has the characteristics of halogen-free flame retardancy, high temperature resistance, low smoke and low toxicity, good insulation, environmental friendliness, and mech
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Products Description
PI overlay film is a covering film made of PI film as the base material, coated with epoxy glue, and covered with release liner.
Products Features
- Temperature Resistance: 280，>10s
- Dielectric Strength: 3.8
- Peel Strength: 0.8-1.2
- Backing Thickness: 13/25
- Backing / Carrier: PI
- Adhesive: 10/15/25/30/35
Products Construction
Backing: PI; Adhesive: 10/15/25/30/35.
Physical Properties
| Technical Parameter | Specification |
|---|---|
| Color | yellow |
| Backing Thickness[mm] | 13/25 |
| Adhesive layer thickness [mm] | 10/15/25/30/35 |
| Backing | PI |
| Adhesive | Epoxy adhesive |
| 180°Peel Strength[N/inch] | 0.8-1.2 |
| Antistatic index (membrane impedance) [Ω ] | 105 -1011 |
| Dielectric constant(1MHz) | 3.8 |
| Dissipation factor(1MHz) | 0.036 |
| Volume resistivity | 5.8X108 |
| Surface resistance | 2.2X105 |
| Temperature resistance[℃] | 280，>10s |
Values shown are from the product data sheet. Confirm suitability for your specific application before ordering.
Products Application
This tape is used for insulation and protection tasks in electrical and electronic assemblies. Tell us the parts to be wrapped, the temperatures involved and the required width, and our team will confirm the right model for your process.
FAQ
Can this tape be supplied die-cut or in custom widths?
Our die-cutting service covers custom shapes and widths. Send your drawing or the required width and length, and we will confirm availability for this model.
What temperature can it withstand?
According to the product data, the value is 280，>10s. Confirm your process temperature with our team before ordering.
How do I request a sample or quotation?
Send the model, required size, color, quantity and your application to [email protected], or use the inquiry form on this page.
Request a Quote
To help us prepare a quotation, please include the model, required width and length, color, quantity and your application. You can also e-mail [email protected].
