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NK 23 | 2-mil Nomex / 3-mil Polyimide Film

Harmonization Code : 3919.90.80.99 |   Polyacrylic plates / sheets / film / tape / strip, self-adhesive, in rolls
Main features
  • No delamination
  • No blisters
  • Thermal class H (180°-200°C)

Product Description

LINQFILM NK 23 is a two-ply laminate film consisting of 3 mils of Polyimide (Kapton) laminated with 2 mils of Aramid (Nomex) paper from one side, resulting in a film with a total of 5 mil thickness. Nomex paper is bonded to the Polyimide film at high temperature and results in a laminate with good dielectric properties, high heat resistance and high mechanical strength.

NK means Nomex - Kapton. Both Nomex and Kapton are registered trademark names of Aramid paper and Polyimide film respectively. While the trademarks have expired a long time ago, the abbreviation for this kind of laminate remained NKN (NK in this case).

Nomex Kapton (Aramid Polyimide) films are great Class H insulators for slot, phase, turn to turn, liner and barrier applications in rotating motors. They can be used as transformer and inductor windings while being a popular choice for a wide range of electrical applications.

Product Family
NK23  
914 mm
45.7 m

Catalog Product

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Packaging
TDS, SDS & Technical documents

Technical Specifications

General Properties
Release Liner
Release Liner
A paper or plastic-based film sheet used to prevent a sticky surface from prematurely adhering
 Νο
Electrical Properties
Breakdown Voltage
Breakdown Voltage
Breakdown voltage is the minimum voltage necessary to force an insulator to conduct some amount of electricity.
It is the point at which a material ceases to be an insulator and becomes a resistor that  conducts electricity at some proportion of the total current. 

After dielectric breakdown, the material may or may not behave as an insulator any more because of the molecular structure alteration. The current flow tend to create a localised puncture that totally alters the dielectric properties of the material.

This electrical property is thickness dependent and is the maximum amount of voltage that a dielectric material can withstand before breaking down. The breakdown voltage is calculated by multiplying the dielectric strength of the material times the thickness of the film.
 14000 V
Mechanical Properties
Elongation
Elongation
Elongation is the process of lengthening something.

It is a percentage that measures the initial, unstressed, length compared to the length of the material right before it breaks.

It is commonly referred to as Ultimate Elongation or Tensile Elongation at break.
 15 %
Tensile Strength (Thin Film)
Tensile Strength (Thin Film)
Tensile strength determines the resistance of a material to break under tension and it measures how much elongating load (or tensile stress) it can handle before fracture.

To make it simple, it measures how much force we have to apply when pulling apart a material before it breaks.
 2,824 N/cm