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SynTherm® – Insulating Materials

SynTherm® P

SynTherm® P is a flexible polyester film based on polyethylene terephthalate. With increasing thickness the film appears to be cloudy or milky white.

Attributes

With its excellent balance of electrical properties SynTherm® P offers many constructional possibilities for the electrical industry. It is suitable for use in a temperature range from -40 °C to +140 °C short-term.

 

Application

Polyester film SynTherm® P is suitable for systems up to 130 °C. It is used in motor and generator engineering as wedge and for slot insulation or phase insulation. In transformers, chokes and relays it is often used as core, layer or final insulation.

Standards
  • RoHS compliant acc. to 2011/65/EU
Delivery forms

Film thickness in μm:
23, 36, 50, 75, 100, 125, 190, 250, 300, 350
(further thicknesses on request)

SynTherm® P is available:

  • tapes as of 6 mm width
  • rolls up to 1,000 mm width

Feathering:

  • depth approx. 1 - 12 mm, distance approx. 1 - 10 mm
  • as of 10 mm up to 240 mm width of tape,

   material thickness on request

Base

PET

Technical data
Mechanical
Total thickness  Specific weight  Tensile strength longitudinal  Tensile strength transversal  Elongation at break longitudinal  Elongation at break transversal  Shrinkage (30 min at 150 °C) longitudinal  Shrinkage (30 min at 150 °C) transversal 
Unit of measure                    
µm  23 36 50 75 100 125 190 250 300 350
g/m²  32.2 50.4 70 105 140 175 266 350 420 490
N/mm²  205 196 186 186 176 176 176 176 166 166
N/mm²  215 205 196 196 186 186 186 186 176 176
100 100 100 110 140 140 150 150 150 150
100 100 100 100 130 130 130 130 130 130
2 1.8 1.8 1.6 1.4 1.4 1.2 1.2 1.2 1.2
0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Electrical
Total thickness  Dielectric strength 
Unit of measure                    
µm  23 36 50 75 100 125 190 250 300 350
kV  5.5 7.5 9.5 12.5 14.5 17 20 22 24 26

SynTherm® is a registered trademark of SynFlex.