SynTherm® – Insulating Materials Hostaphan®
Hostaphan® is a biaxial oriented Polyethylenterephthalate (PET) film. It can be used at temperatures of -70 °C to 150 °C.
Application
According to the manufacturer's specifications Hostaphan® is used in class B (130 °C) systems by numerous manufacturers of electric motors. Hostaphan® is used as slot insulation, phase insulation and wedges for motors and generators. Hostaphan® is used as core-, interlayer and final insulation for transformers, chokes and relays.
Standards
UL-approved, file-no. E53895
Delivery forms
Total thickness in µm:
19, 23, 36, 50, 75, 100, 125, 190, 250, 300, 350, 500
Hostaphan® is available in tapes as of 6 mm width.
Base
Polyethylenterephthalate
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Technical data
Property | Unit of measure | Type RNK | Type RNK | Type RNK | Type RNK | Type RN | Type RN | Type RN | Type RN | Type WN | Type WN | Type WN | Type WN | Type RN | Test method |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nominal thickness | μm | 12 | 19 | 23 | 36 | 50 | 75 | 100 | 125 | 190 | 250 | 300 | 350 | 500 | |
Tensile strength longitudinal | N/mm² | 260 | 260 | 260 | 260 | 195 | 195 | 200 | 200 | 190 | 200 | 190 | 190 | 160 | ISO 527-1 and ISO 527-3, specimen type 2 |
Tensile strength transversal | N/mm² | 260 | 260 | 260 | 280 | 225 | 225 | 220 | 220 | 230 | 200 | 190 | 190 | 170 | ISO 527-1 and ISO 527-3 / specimen type 2 |
Elongation at break longitudinal* | % | 120 | 120 | 120 | 140 | 200 | 200 | 190 | 190 | 200 | 200 | 230 | 230 | 220 | ISO 527-1 and ISO 527-3, specimen type 2 |
Elongation at break transversal* | % | 120 | 120 | 120 | 125 | 140 | 140 | 140 | 140 | 140 | 190 | 200 | 200 | 180 | ISO 527-1 and ISO 527-3, specimen type 2 |
Shrinkage (15 min. at 150 °C) longitudinal | % | 1.5 | 1.5 | 1.5 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 0.9 | DIN 40634 |
Shrinkage (15 min. at 150 °C) transversal | % | 0.2 | 0.2 | 0.2 | 0.1 | 0.3 | 0.3 | 0.3 | 0.3 | 0.8 | 0.8 | 0.8 | 0.8 | 0.6 | DIN 40634 |
Dielectic strength | kV | 4.5 | 6.5 | 7.5 | 10 | 12 | 16 | 19 | 23 | 30 | >30 | >30 | >30 | - | DIN 40634 |