---
type: "Technical Data Sheet"
title: "CMC 10966 colourless, yellow, brown, blue – Technical Data Sheet"
description: "CMC 10966 is a polyester tape with a soft, smooth adhesive, mainly for intermediate layers and final insulation of transformers and coils."
resource: "https://datasheets.cmc.de/pdf/cmc-10966-colourless-yellow-brown-blue-en.pdf"
tags: ["polyester (pet)", "0.023 ± 10%", "acrylic"]
language: "en"
product: "CMC 10966 colourless, yellow, brown, blue"
product_family: "cmc"
document_date: "2026-09"
status: "stable"
translation: "/cmc-10966-colourless-yellow-brown-blue-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-10966-colourless-yellow-brown-blue-en.pdf"
    title: "Technical Data Sheet CMC 10966 colourless, yellow, brown, blue"
    author: "CMC Klebetechnik GmbH"
    last_modified: "2026-09-23T12:50:42Z"
---

# CMC 10966 colourless, yellow, brown, blue – Technical Data Sheet

> 10966 E93622 (M)

[PDF data sheet (binding)](/pdf/cmc-10966-colourless-yellow-brown-blue-en.pdf) · [Deutsche Version](/cmc-10966-colourless-yellow-brown-blue-de.md)

Issued: 2026-09

## Product description

CMC 10966 is a polyester tape with a soft, smooth adhesive, mainly for intermediate layers and final insulation of transformers and coils. Very good adhesive properties on numerous surfaces, also on thin wires. Good compatibility with many impregnating and waterproofing agents.

| Property | Value |
|---|---|
| Backing Material | polyester (PET) |
| Colour | colourless, yellow, brown, blue |
| Substrate thickness in mm | 0.023 ± 10% |
| Total thickness in mm | 0.060 ± 10% |

## Adhesive Properties

| Property | Value |
|---|---|
| Type of adhesive | acrylic |
| Adhesive strength in N/cm according to internal method PV 1006-32 (180° peel from steel) | typical: 4 |

## Thermal Properties

| Property | Value |
|---|---|
| Temperature performance (max.) in °C | 130 |
| Short term temperature performance in °C (ca. 1 hour) | 175 |
| Insulation class according to IEC 60085 | B |

## Electrical Properties

| Property | Value |
|---|---|
| Breakdown voltage based on IEC 60243-1 in Veff. | ca. 5'000 |

## Mechanical Properties

```text
 Tensile strength in N/cm                              ≥ 25      typical: 40
 Elongation at break in %                              ≥ 25      typical: 80
```

## Other Properties

| Property | Value |
|---|---|
| Recommended storage cond.: cool and dry (15 - 25°C, < 65% rel. humidity) | 09/26 |

---

*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.*
