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KNK Kapton ® Film/ Nomex ®/ Kapton ® Film Flexible Laminate----[[LIREN ELECTRICAL INSULATION MATERIALS]]
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 NKN NHN Nomex ® Laminate >> KNK Polyimide-Nomex ®-Polyimide Flexible Laminates  
 

KNK Polyimide-Nomex®-Polyimide Flexible Laminates

 

Description

KNK Polyimide-Nomex®-Polyimide Flexible Laminates is a triple-layer combined flexible insulation material, consisting of DuPont Nomex® Paper covered on both sides with polyimide film.

KNK exhibits very good electrical strength, high thermal resistance as well as excellent mechanical properties at elevated operating temperatures. It has a smooth surface which allows a trouble free manufacture of low voltage motors where coil inserting machines are used.

Application:

KNK is mainly used as a slot liner, slot closure, phase-to-phase and turn-to-turn insulation in low or medium voltage electrical motors of Class H up to Class N (180 to 200) insulation system. In addition, it is also used as interlayer insulation in transformers and other electrical machines and appliances.  

Technical Data:

 

 

Structure

Unit

KNK Typical Value

N222

N333

N373

Nominal Thickness

mm

0.17

0.25

0.35

Tolerance

mm

0.02

0.03

0.04

Grammage

g/m2

215

305

420

Polyimide Film

mm

0.05

0.075

0.075

Nomex® Paper

mm

0.05

0.08

0.18

Polyimide Film

mm

0.05

0.075

0.075

Tensile Strength

MD

N/cm

155

270

430

TD

N/cm

130

220

320

Elongation

MD

N/cm

12

12

12

TD

N/cm

10

10

10

Breakdown Voltage

KV

10

14

18

Thermal Class

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sheets: approx.1000X914mm
Tapes:  widths starting from 5mm 

Rolls: 3 inch (76mm) Core, max width 914mm, approx. 50kg

Special thickness or combinations can be supplied per customer's request.

 

Note: The technical information, data, recommendations, and other statements provided are based on tests or research which we believe to be reliable, but such information shall in no event constitute a warranty of any kind by Liren. Before using this product, all purchasers should carefully evaluate its suitability for their intended applications. Nomex® & Kapton® are registered trademarks of DuPont.

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