The soft composite material of polyester film and aramid fiber paper is made by bonding and compounding two sides of aramid fiber paper with polyester film. This product has a heat resistance grade of H, and has good flexibility, excellent mechanical strength, dielectric properties, tear resistance, and paint absorption ability. Suitable for slot to slot insulation of H-level motors and generators, as well as interlayer insulation of dry type transformers. Interval insulation, etc.
|
NO
|
Item
|
Unit
|
Standard
|
|
1
|
Thick
|
mm
|
0.15
|
0.18
|
0.20
|
0.25
|
0.30
|
0.35
|
|
2
|
Thick tolerance
|
mm
|
±0.022
|
±0.022
|
±0.022
|
±0.025
|
±0.030
|
±0.035
|
|
3
|
Density
|
g/m2
|
150±18
|
190±20
|
225±25
|
295±30
|
355±44
|
425±55
|
|
4
|
Polyester film thick
|
μm
|
75
|
100
|
125
|
175
|
220
|
270
|
|
5
|
Tensile strength
Vetical
Transverse
|
N/10mm
|
150
90
80
70
|
150
90
90
70
|
170
105
100
90
|
240
180
170
150
|
270
200
200
150
|
330
300
250
200
|
|
6
|
Tensile
|
Vertical
|
%
|
15
|
20
|
|
Transverse
|
20
|
25
|
|
7
|
Breakdown voltage
|
KV
|
7.0
6.0
|
8.0
7.0
|
11.0
9.0
|
14.0
12.0
|
19.0
15.0
|
21.0
17.0
|
|
8
|
Appearance
|
—
|
No peel off、no bulb or other defects
|
|
9
|
Temp（200℃± 2℃，10min
|
—
|
No peel off、no bulb or other defects
|
|
10
|
Stiffness
|
N
|
pending
|
|
11
|
Temp resistance
|
－
|
≥180 degree
|
