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SynTherm® – Insulating Materials

SynTherm® NP/50

SynTherm® NP/50 is a flexible 2-layer insulation made of polyester film with calandered Nomex® overlay.

Attributes

SynTherm® NP/50 is a high-class insulation material due to the proven electrical properties of the polyester film and the excellent mechanical and thermal properties of the outer Nomex® overlays. The outer overlays’ impregnant absorptivity allows excellent bonding of all winding components.

Application

SynTherm® NP/50 is an economic option and suitable for use as slot insulation, wedges, and phase insulation in electric motors.
In transformers it can be used as core, layer, or cover insulation.

Standards
  • Class F (155 °C) acc. to IEC 60085
  • Insulation material to IEC 60626
  • RoHS conform to 2011/65/EU
  • Test standard IEC 60626-2
  • Sample conditioning acc. to standard atmosphere 23/50
Delivery forms

Total thickness µm:
80, 100, 140, 160, 180, 240, 300, 350, 410.
Other total thickness on request.

SynTherm® NP/50 available in delivery formats:

  • tapes starting from 4 mm width
  • rolls with approx. 900 mm width
  • on request: approx. 600 x 900 mm
  • 900 x 1000 mm


Outer diameters of tapes/ rolls optionally approx. 240/ 330/ 450 mm.

Feathering:

  • depth approx. 1 - 12 mm, distance approx. 1 - 10 mm
  • as of 10 mm up to 240 mm width and 0.20 mm thickness
Base

PET-film + aramid paper

Technical data
Mechanical
Total thickness  Film thickness  Nomex® paper thickness  Specific weight  Tensile strength longitudinal*  Tensile strength transversal*  Elongation at break longitudinal*  Elongation at break transversal*  Dielectric strength 
Unit of measure            
mm  0.08 0.10 0.14 0.18 0.24 0.30
µm  23 50 75 125 190 250
µm  50 50 50 50 50 50
g/m²  85 120 160 220 320 395
N/mm²  100 100 100 110 110 100
N/mm²  80 80 80 80 90 100
15 15 15 20 25 30
20 20 20 40 40 40
kV  5 7 10 14 18 21

SynTherm® is a registered trademark of SynFlex.
Nomex®, Kapton®, KAPTON® are registered trademarks of E.I. Du Pont de Nemours and Company.

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Corona information, 31.03.2020

Dear business partners,

Despite the progressing corona pandemic, we as SynFlex have succeeded to date in maintaining our business operations at all locations. We offer our customers the accustomed high level of service in terms of delivery flexibility and advisory competence and we maintain existing agreements with our suppliers. Our staff currently provide excellent services despite the many precautionary measures necessary to protect everyone's health. They are fully available to you, in administrative areas usually from a home office.

It remains to be seen how things will continue. Crisis management dominates. It is simply impossible to make serious forecasts about future economic and social changes. All forecasts are plain guessing.

Thus, the resolutions remain: maximum solidarity, responsible action and best possible maintenance of all structures. There will be a time after SARS-CoV-2!

In this spirit we wish you all much steadfastness and good health.

Your SynFlex Team