---
type: "Technical Data Sheet"
title: "CMC 50739 – Technical Data Sheet"
description: "CMC 50739 is a splicing tape with silicone adhesive for low energy surfaces."
resource: "https://datasheets.cmc.de/pdf/cmc-50739-en.pdf"
tags: ["polypropylene", "0.040 ± 10%", "polysiloxane", "modified"]
language: "en"
product: "CMC 50739"
product_family: "cmc"
document_date: "2019-05"
status: "stable"
translation: "/cmc-50739-de.md"
generated: { by: "process:cmc-datasheets/0.1.0", at: "2026-09-23T15:59:09Z" }
sources:
  - id: "pdf"
    resource: "https://datasheets.cmc.de/pdf/cmc-50739-en.pdf"
    title: "Technical Data Sheet CMC 50739"
    author: "CMC Klebetechnik GmbH"
    last_modified: "2019-05-23T12:47:08Z"
---

# CMC 50739 – Technical Data Sheet

[PDF data sheet (binding)](/pdf/cmc-50739-en.pdf) · [Deutsche Version](/cmc-50739-de.md)

Issued: 2019-05

## Product description

CMC 50739 is a splicing tape with silicone adhesive for low energy surfaces. Since the tape backing is siliconized CMC 50739 works best for functional splices in siliconized films and papers.

| Property | Value |
|---|---|
| Backing material | polypropylene |
| Colour | colourless |
| Substrate thickness in mm | 0.040 ± 10% |
| Total thickness in mm | 0.060 ± 10% |

## Adhesive properties

| Property | Value |
|---|---|
| Type of adhesive | polysiloxane, modified |
| Adhesive strength in N/cm according to internal method PV 1006-32 (180° peel from steel) | ≥ 0.5 |

## Thermal properties

| Property | Value |
|---|---|
| Temperature performance in °C | - 50°C up to + 100°C |

## Electrical properties

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

## Mechanical properties

| Property | Value |
|---|---|
| Tensile strength in N/cm | ≥ 10 |
| Elongation at break in % | ≥ 10 |

## Other Properties

| Property | Value |
|---|---|
| Liner | hard PVC, creped |

---

*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.*