SynTherm® – Insulating Materials SynTherm® AP/80

SynTherm® AP/80 is a flexible 2-layer insulation made of polyester film with calandered aramid paper overlay.

The proven dielectric properties of the polyester film and the excellent mechanical and thermal properties of the outer aramid paper layers result in a high performance insulating material. The ability of the outer layers to absorb impregnants results in exceptional bonding between all winding components.

Download datasheet

Application

SynTherm® AP/80 is a cost-effective insulating material used in electric motors as slot insulation, phase insulation and wedges.
SynTherm® AP/80 is used as core, interlayer und final insulation for transformers.

Standards

  • Suitable for class F (155 °C) systems.
  • UL approved e.g. E247773

Delivery forms

Total thickness in µm: 270
Other thicknesses on request

SynTherm® AP/80 is available:

  • in tapes: depending on material thickness on request beginning at 6mm (thin material)
  • in rolls: 968 mm

Feathering:

  • Depth approx. 1 - 12 mm; distance approx. 1 - 10 mm
  • From widths of 10 mm to 240 mm, thickness on request

Base

PET-film + aramid paper

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Technical data

Typical mechanical properties
Property Unit of measure Values
Nominal thickness mm 0.27
Typical thickness mm 0.27±15 %
Film thickness µm 190
Aramid paper thickness µm 80
Specific weight g/m² 335
Tensile strength longitudinal N/cm 280
Tensile strength transversal N/cm 330
Typical electrical properties
Property Unit of measure Values
Nominal thickness mm 0.27
Dielectric strength kV 24