Product name：CLASS F DMD（6641）Polyester film polyester fiber nonwoven flexible composites
Features and uses: Polyester film polyester fiber
composites are made of polyester film coated with f-class adhesive on both
sides and polyester fiber nonwovens on both sides. F class heat resistance,
good dielectric properties, high mechanical strength, suitable for y series and
J02 series of motors, electrical appliances for slot and turn-to-turn
insulation.
PERFORMANCE CRITERIA: GB/T5591.3-2018
performance requirements are shown in the following table:
|
No.
|
Item
|
Unit
|
Normal value
|
|
1
|
Nominal
thickness and tolerance
|
mm
|
0.15
|
0.18
|
0.2
|
0.23
|
0.25
|
0.3
|
0.35
|
0.4
|
0.45
|
|
2
|
thickness
tolerance
|
mm
|
±0.020
|
±0.025
|
±0.030
|
±0.030
|
±0.030
|
±0.030
|
±0.035
|
±0.040
|
±0.045
|
|
3
|
Density
|
g/m2
|
140±20
|
190±28
|
200±30
|
220±33
|
260±39
|
270±40
|
300±45
|
325±48
|
350±52
|
380±57
|
425±63
|
460±69
|
500±75
|
560±84
|
|
4
|
Polyester film Nominal thicknesses
|
μm
|
50
|
75
|
75
|
100
|
125
|
125
|
150
|
150
|
190
|
190
|
250
|
250
|
300
|
350
|
|
5
|
Tensilestrengt
|
MD
|
No bending
|
N/10mm
|
≥80
|
≥120
|
≥130
|
≥150
|
≥180
|
≥190
|
≥180
|
≥240
|
≥270
|
≥280
|
≥320
|
≥330
|
≥350
|
≥370
|
|
After bending
|
≥80
|
≥105
|
≥110
|
≥130
|
≥150
|
≥170
|
≥180
|
≥200
|
≥220
|
≥250
|
≥300
|
≥310
|
≥320
|
≥350
|
|
TD
|
No bending
|
≥80
|
≥105
|
≥110
|
≥130
|
≥150
|
≥170
|
≥190
|
≥200
|
≥220
|
≥250
|
≥300
|
≥310
|
≥320
|
≥350
|
|
After bending
|
≥70
|
≥90
|
≥100
|
≥110
|
≥120
|
≥150
|
≥170
|
≥150
|
≥180
|
≥220
|
≥250
|
≥280
|
≥300
|
≥250
|
|
6
|
Elongation
|
MD
|
No bending
|
%
|
≥15
|
≥5
|
≥5
|
|
After bending
|
≥10
|
≥5
|
≥3
|
|
TD
|
No bending
|
≥20
|
≥5
|
≥5
|
|
After bending
|
≥10
|
≥5
|
≥2
|
|
7
|
Breakdown
voltage
|
kV
|
≥6
|
≥7
|
≥8
|
≥9
|
≥10
|
≥12
|
≥13
|
≥14
|
≥15
|
≥16
|
≥18
|
≥19
|
≥21
|
≥22
|
|
8
|
delamination
|
-
|
No
delamination, no bubbles or other defects
|
|
9
|
Affected
by heat (180℃±2℃, 10min or negotiated by both parties)
|
-
|
No layering, no foaming, no glue flow
|
|
10
|
Stiffness
|
N
|
To be determined
|
|
11
|
Long-term heat resistance (temperature index. T1)
|
-
|
≥155
|