---
type: "Technical Data Sheet"
title: "CMC 70740 – Technical Data Sheet"
description: "CMC 70740 is a self adhesive Kapton® tape providing good thermal conductivity and outstanding insulating properties even at elevated temperatures."
resource: "https://datasheets.cmc.de/pdf/cmc-70740-en.pdf"
tags: ["kapton® mt", "0.025 ± 17%", "acrylic"]
language: "en"
product: "CMC 70740"
product_family: "cmc"
document_date: "2021-03"
status: "stable"
translation: "/cmc-70740-de.md"
generated: { by: "process:cmc-datasheets/0.1.0", at: "2026-09-23T16:05:14Z" }
sources:
  - id: "pdf"
    resource: "https://datasheets.cmc.de/pdf/cmc-70740-en.pdf"
    title: "Technical Data Sheet CMC 70740"
    author: "CMC Klebetechnik GmbH"
    last_modified: "2021-03-30T06:37:28Z"
---

# CMC 70740 – Technical Data Sheet

[PDF data sheet (binding)](/pdf/cmc-70740-en.pdf) · [Deutsche Version](/cmc-70740-de.md)

Issued: 2021-03

## Product description

CMC 70740 is a self adhesive Kapton® tape providing good thermal conductivity and outstanding insulating properties even at elevated temperatures. A thin adhesive layer reduces thermal transition resistance while simplifying pre-assembly.

| Property | Value |
|---|---|
| Backing material | Kapton® MT |
| Colour | light brown |
| Thermal conductivity in W/(m∙K) | ca. 0.46 |
| Substrate thickness in mm | 0.025 ± 17% |
| Total thickness in mm | 0.037 ± 0.005 |

## Adhesive properties

| Property | Value |
|---|---|
| Type of adhesive | acrylic |
| Adhesive strength in N/cm according to internal method PV 1006-32 (180° peel from steel) | ≥1 |

## Thermal properties

| Property | Value |
|---|---|
| Temperature performance (max.) in °C | 180 |

## Electrical properties

| Property | Value |
|---|---|
| Breakdown voltage based on IEC 60243-1 in Veff. | ≥ 4'000 |

## Mechanical properties

| Property | Value |
|---|---|
| Tensile strength in N/cm | ≥ 20 |
| Elongation at break in % | ≥ 20 |

## Other properties

---

*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.*