POROBAND ® SI 0790

POROBAND ® SI 0790 consists of mica paper based on calcined muscovite with aramid fibres and glass cloth as carrier.  A modified silicon resin is used as binder.  POROBAND ® SI 0790 has excellent flexibility and shows no mica flaking during machine-taping.

Applications

POROBAND ® SI 0790 is used for the insulation of coils of traction machines with thermal classification 200 in VPI-technology, using solvent-free silicon resins.

Format
Rolls maximum width 1000 mm
Tapes from 10 mm width upward

Storability

Minimum 12 months at 20°C
Maximum 24 months at 5°C

 

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Product Description

Properties Test Method Unit Value
Nominal thickness IEC 60371-2 mm 0.12 ± 0.02
Total substance IEC 60371-2 g/m² 163 ± 16
Mica paper IEC 60371-2 g/m² 120 ± 10
Aramid fibre content (of mica paper)   % 5 ± 2
Glass cloth IEC 60371-2 g/m² 25 ± 2
Resin content IPV 18.5.3 g/m² 18± 4
Breakdown voltage IEC 60371-1 kV ≥2.5
Tensile strength IEC 60371-2 N/cm ≥80
Air resistance (Curley) ISO 3687 s ≤ 4000
IEC 60371-2 IEC 60371-2   up to 240

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DISCLAIMER: The technical information contained herein is the result of extensive testing in the manufacturer’s laboratories. In addition any application advice given verbally, in writing or by testing corresponds to the best of our knowledge and belief. Since the use and application of any of our products lies beyond our area of control, it remains the responsibility of the user to verify the product’s suitability for their application.

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