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Suzhou Jufeng Electrical Insulation System Co., Ltd.

Soft Composite Materials of Polyester Film, Polyester Fiber Non-Woven Fabrics manufacturer / supplier in China, offering Jf-6641 Soft Composite Materials of Polyester Film, Polyester Fiber Non-Woven Fabrics, Stator Coil, Wind Driven Coil and so on.

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Supplier Homepage Product Insulation Jf-6641 Soft Composite Materials of Polyester Film, Polyester Fiber Non-Woven Fabrics

Jf-6641 Soft Composite Materials of Polyester Film, Polyester Fiber Non-Woven Fabrics

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Product Description

1.Description
    This product is Grade F material made of one layer of polyester film and two layers of polyester fiber non-woven fabrics that glued together by adhesives. With high mechanical and electric performance, it is applied in the insulation for between layers, grooves, coil turns, and padding in the Grade F transformers and motors. Besides, this product is featured in price advantage.
2.Technical parameters of the product
S/N
Name of the targets
Unit
Target values
1
Nominal thickness
0.15
0.20
0.25
0.30
0.35
2
Allowable deviation on thickness individual values
±0.02
±0.03
±0.03
±0.04
±0.04
±0.05
±0.03
±0.06
±0.06
±0.07
3
Nominal quota and allowable deviation
g/m2
150±22
210±32
260±39
310±46
390±58
4
Width
≥980
5
Tensile strength
Lengthwise
Before bending
N/10
 
≥80
≥120
≥150
≥170
≥200
After bending
≥80
≥105
≥130
≥150
≥180
Crosswise
Before bending
≥80
≥105
≥130
≥150
≥180
After bending
≥70
≥95
≥120
≥130
≥160
6
Elongation rate
Lengthwise
Before bending
%
≥10
≥10
≥10
≥5
≥5
After bending
≥10
≥10
≥10
-
-
Crosswise
Before bending
≥10
≥10
≥15
≥5
≥5
After bending
≥10
≥10
≥15
-
-
7
Volume resistivity
Under normal state
Ω.m
≥1.0×109
155±2
≥1.0×107
After moisture
≥1.0×107
8
Breakdown Voltage
Under normal state
kV
≥8.0
≥9.0
≥10.0
≥12.5
≥15.0
155±2
≥7.5
≥8.0
≥9.0
≥10.0
≥12.0
9
Bonding strength at normal state
-
No lamination
10
Bonding strength at thermal state
180±210min
-
No laminationno bubblesno flow
11
Long-term heat resistance
 
≥155
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