---
type: "Technical Data Sheet"
title: "CMC 70864 – Technical Data Sheet"
description: "CMC 70864 is based on a 25 micron foil of Kapton HN, an excellent insulation film for the highest demands."
resource: "https://datasheets.cmc.de/pdf/cmc-70864-en.pdf"
tags: ["kapton® hn (polyimid)", "0.025 ± 17%", "acrylic"]
language: "en"
product: "CMC 70864"
product_family: "cmc"
document_date: "2017-06"
status: "stable"
translation: "/cmc-70864-de.md"
generated: { by: "process:cmc-datasheets/0.1.0", at: "2026-09-23T16:56:34Z" }
sources:
  - id: "pdf"
    resource: "https://datasheets.cmc.de/pdf/cmc-70864-en.pdf"
    title: "Technical Data Sheet CMC 70864"
    author: "CMC Klebetechnik GmbH"
    last_modified: "2017-06-29T14:19:36Z"
---

# CMC 70864 – Technical Data Sheet

> 70864

[PDF data sheet (binding)](/pdf/cmc-70864-en.pdf) · [Deutsche Version](/cmc-70864-de.md)

Issued: 2017-06

## Product Description

CMC 70864 is based on a 25 micron foil of Kapton HN, an excellent insulation film for the highest demands. The tape is coated with an acrylic adhesive that offers good adhesion to many types of surfaces.

| Property | Value |
|---|---|
| Backing Material | Kapton® HN (Polyimid) |
| Colour | amber |
| Substrate thickness in mm | 0.025 ± 17% |
| Total thickness in mm | 0.060 ± 10% |

## Adhesive Properties

| Property | Value |
|---|---|
| Type of adhesive | acrylic |
| Adhesive strength in N/25 mm according to internal method PV1006-32 (180° peel from steel) | ≥5 |

## Thermal Properties

| Property | Value |
|---|---|
| Temperature performance (max.) in °C | 180 |
| Short term temperature performance in °C (ca. 1 hour) | 200 |
| Insulation class according to IEC 60085 | H |

## Electrical Properties

| Property | Value |
|---|---|
| Breakdown voltage based on IEC 60243-1 in Veff. | ≥ 6'000 |

## Mechanical Properties

| Property | Value |
|---|---|
| Tensile strength in N/cm | ≥ 40 |
| Elongation at break in % | ≥ 40 |

## Other Properties

®Registered trade mark of DuPont de Nemours

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*The technical data are average values and do not replace the user's own testing. Subject to change without notice. The PDF data sheet is binding.*