A loosely woven cotton or terylene tape without tracer – Selfedge – CLASS A 105°C
APPLICATION : Taping of HV coils before consolidation pressing
|GC025||25mm x 50m|
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Inverter Grade Enamelled Wire
CORONA API (Polyamide-imide) 200°C
Corona API magnet wire is based on a dual coat polyesteramide-imide magnet wire enamel designed for high thermal class applications with excellent mechanical properties, chemical resistance, heat shock resistance and low co-efficient of friction.
Enamel configuration Dual coat system : base coat – THEIC polyesterimide top coat – Polyamide-imide Insulation class 200°C (min) Wire diameters 0.40 to 5.00 mm Covering grade 2 or 3 Standards IEC 317-13, 25, 26, 29, 38 Appearance Khaki coloured enamel wire
CONDUCTOFOL ® 2159
CONDUCTOFOL ® 2159 consists of mica paper based on calcined muscovite impregnated with resin and both sides are covered with a PET-film whereas one side is additionally coated with a special adhesive. The adhesive on the thicker PET-film melts at temperatures above 100 ºC and conductors with CONDUCTOFOL ® 2159 can be glued together in a hot press.
CONDUCTOFOL ® 2159 is used e.g. for the insulation of rectangular copper conductors for low and high voltage coils
Format Rolls maximum width 1000 mm Tape from 6 mm width upward Standard 9, 12, 15, 20 mm
Minimum 24 months at 20ºC
Minimum 48 months at 5ºC
Pressing conditions for preconsolidation:
Best bonding will be achieved at 160 ºC. In addition the adhesive on the PET-film improves bonding of the main insulation (VPI- or RR-system) to the conductor bundle. The conductor bundle covered with a release film is put into a hot press at 120 – 160 ºC and pressed for 1-5 minutes. Before opening the press is is recommended to cool down below 100 ºC.
The thicker the PET-film is coated with an adhesive
TRANSFORMER PAPER TAPES
Different tape sizes are silt from our various transformer paper types
- Widths of between 6mm to 60mm
- 6mm and 8mm widths are made to order
- 10, 13, 16, and 19mm widths are standard and available as stock items.
- Facilities are available to slit other widths on request