---
type: "Technical Data Sheet"
title: "CMC 21100 – Technical Data Sheet"
description: "CMC 21100 is a metallized polyester adhesive tape which is primarily used as an automatically detectable marking tape."
resource: "https://datasheets.cmc.de/pdf/cmc-21100-en.pdf"
tags: ["polyester (pet)", "aluminized", "0.023 ± 10%", "acrylic"]
language: "en"
product: "CMC 21100"
product_family: "cmc"
document_date: "2024-01"
status: "stable"
translation: "/cmc-21100-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-21100-en.pdf"
    title: "Technical Data Sheet CMC 21100"
    author: "CMC Klebetechnik GmbH"
    last_modified: "2024-01-22T14:20:32Z"
---

# CMC 21100 – Technical Data Sheet

[PDF data sheet (binding)](/pdf/cmc-21100-en.pdf) · [Deutsche Version](/cmc-21100-de.md)

Issued: 2024-01

## Product description

CMC 21100 is a metallized polyester adhesive tape which is primarily used as an automatically detectable marking tape. The glossy silver surface enables easy optical identification. The metallization is a thin aluminum layer deposited between PET film and adhesive.

| Property | Value |
|---|---|
| Backing material | Polyester (PET), aluminized |
| Colour | silver |
| Substrate thickness in mm | 0.023 ± 10% |
| Total thickness in mm | 0.040 ± 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) | ≥ 2.5 (typical: 3.5) |

## Thermal properties

| Property | Value |
|---|---|
| Temperature performance (max.) in °C | 130 |
| Short term temperature performance in °C (ca. 1 hour) | 175 |

## Mechanical properties

| Property | Value |
|---|---|
| Tensile strength in N/cm | ca. 30 - 40 |
| Elongation at break in % | ca. 60 - 80 |

## Other properties

| Property | Value |
|---|---|
| Recommended storage cond.: cool and dry (15 - 25°C, < 65% rel. humidity) | 01/24 |

---

*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.*