Aramid prepregs
ARAMID PREPREGS
Prepregs consist of aramid paper coated on one side (P-AKN1) or both sides (P-AKN2, P-AN2) with epoxy resin based binder and polyester film as a release layer.
P-AKN 1 – is used in cylinders manufacturing applied in constructions of dry fire-safe transformers and insulation systém of H thermal rating class.
P-AKN 2 and P-AN 2 - are used as interlayer insulation of pole coils in turbogenerators and traction electrical machines of insulation systems of H thermal rating class.
Materials P-AKN 1 a P-AKN 2 are delivered in rolls, width 910 mm, inside core diameter (76+-1) mm, outside diameter<300 mm.
Material P-AN 2 is delivered in roll, width 960 mm, inside core diameter (76 +-1) mm, outside winding < 300 mm.
ARAMID PREPREGS
|
Type of material |
P-AKN 1 |
P-AKN 2 |
P-AN 2 |
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| Thickness mm |
0,06 |
0,09 |
0,14 |
0,19 |
0,11 |
0,16 |
0,21 |
0,17 |
0,23 |
0,28 |
| Deviation from nominal thickness mm |
+ - 0,02; - 0,01 |
+ - 0,02 |
+ - 0,03 |
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|
Volatile content, max. % |
6 |
4 |
6 |
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|
Binder content g/m² |
18 + - 6 |
23 + - 6 |
18 + - 6 |
36 + - 9 |
54 +-12 |
80 +-12 |
100 +-15 |
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|
Electrical strenght, min. kV/mm |
13 |
15 |
20 |
25 |
15 |
18 |
20 |
7 |
9 |
|
|
Tensile strenght, min. N/cm |
25 |
45 |
100 |
150 |
45 |
100 |
150 |
10 |
15 |
20 |
|
Surface density g/m² |
60 +-15 |
85 +-15 |
135 +-15 |
195 +-15 |
100 +-15 |
155 +-15 |
215 +-20 |
95 +-15 |
145 +-20 |
180 +-20 |
|
Shelf life at - (15 - 35°C) 45-75% month - 5 + - 3°C |
3 6 |
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