---
type: "Technical Data Sheet"
title: "CMC 61144 – Technical Data Sheet"
description: "Self adhesive insulating tape comprising excellent electrical properties and highest temperature performance in the group of polyester films."
resource: "https://datasheets.cmc.de/pdf/cmc-61144-en.pdf"
tags: ["pen film (polyethylene naphthalate)", "0.025", "acrylic"]
language: "en"
product: "CMC 61144"
product_family: "cmc"
document_date: "2018-10"
status: "stable"
generated: { by: "process:cmc-datasheets/0.1.0", at: "2026-09-23T16:56:34Z" }
sources:
  - id: "pdf"
    resource: "https://datasheets.cmc.de/pdf/cmc-61144-en.pdf"
    title: "Technical Data Sheet CMC 61144"
    author: "CMC Klebetechnik GmbH"
    last_modified: "2018-10-05T11:47:36Z"
---

# CMC 61144 – Technical Data Sheet

[PDF data sheet (binding)](/pdf/cmc-61144-en.pdf)

Issued: 2018-10

## Product description

Self adhesive insulating tape comprising excellent electrical properties and highest temperature performance in the group of polyester films. Available also in a version with increased adhesive thickness (CMC 61100).

| Property | Value |
|---|---|
| Backing material | PEN film (polyethylene naphthalate) |
| Colour | colourless |
| Substrate thickness in mm | 0.025 |
| Total thickness in mm | 0.040 ± 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) | ≥3 |

## Thermal properties

| Property | Value |
|---|---|
| Temperature performance (max.) in °C | 155 |
| Short term temperature performance in °C (ca. 1 hour) | 200 |
| Insulation class according to IEC 60085 | F |

## Electrical properties

| Property | Value |
|---|---|
| Breakdown voltage based on IEC 60243-1 in Veff. | ≥ 5'500 |

## Other properties

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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.*