Nomex Paper vs. Nomex Tape: Understanding The Key Difference

Nomex®, a high-temperature-resistant aramid fiber, is widely used in various industries for its exceptional insulating properties. Two common forms of Nomex® are Nomex® paper and Nomex® tape, both of which serve crucial roles in electrical insulation. Although they are made from the same material, they differ significantly in terms of form, function, and application.

Function:

Nomex® paper is primarily used as a standalone insulation material. It finds applications in a range of electrical equipment, such as motors, generators, and transformers, where it acts as a key insulating component.
Nomex® tape, on the other hand, is a strip of Nomex® paper with an adhesive backing, designed to be applied to surfaces to enhance insulation and protection. The tape provides a more flexible solution for securing wires and other components, offering additional insulation where needed.

Form Factor:

The most noticeable difference between Nomex® paper and Nomex® tape is their form.
Nomex® paper is available in large sheets, which are often used for winding insulation in electrical machinery.
Nomex® tape, however, is available in narrower strips with an adhesive backing, making it easy to apply to specific areas that require extra insulation or protection.

Application:

Nomex® paper is often used in the manufacturing of electrical equipment, where it is employed for winding insulation within motors, generators, and transformers. Its role is primarily focused on providing reliable insulation to the components of electrical devices.
Nomex® tape, by contrast, is used for more localized applications, such as patching, sealing, or providing supplementary insulation on areas that may need extra protection. The tape’s adhesive backing ensures it stays securely in place, making it ideal for quick application in specific regions.

In summary, while both Nomex® paper and Nomex® tape are derived from the same high-performance material, their applications and form factors make them suitable for different tasks within the electrical insulation industry. Understanding these distinctions ensures that the correct form of Nomex® is used for the intended purpose, ensuring both efficiency and safety in electrical applications.

Hatim Dielectrics supplies both variants of Pure Nomex^® Papers, the 410 and the 411.

Nomex® Tapes are available with us slitted in widths from 8mm and above wound on standard 55mm / 75mm ID in continuous lengths to facilitate machine taping.

Hatim Dielectrics also supply Nomex^® tapes cut to size pieces, available in kit form as per specific requirements.

Nomex^® is a registered trademark of DuPont^™