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Code:002389   Name:NanYang Tech

Solar backing film

Special electrical insulation film

1
Troduct name
   Polyester film for electrical insulation
Specification(mm):
   0.10-0.40
Features:
   Translucent, milky white, excellent electrical insulation performance;
Use:
   Insulation between motor slots, inter-turn insulation, cut-off insulation between dry-type transformer coils, etc.
2
Product name
   Polyester film for electrical insulation
Specification(mm):
   0.10-0.35
Features:
   Translucent, creamy yellow, excellent electrical insulation performance
Use:
   Motor slot insulation, inter-turn insulation and so on
3
Product name
   Low extraction polyester film
Specification(mm):
   0.10-0.35
Features:
   Translucent; low extraction of xylene; excellent electrical insulation properties, heat resistance
Use:
   Air conditioning, refrigerator compressor slot insulation, inter-turn insulation and so on

 

Thin film for solar cell backing

Serial number
Project
Unit
Test result
model
model
1
Thickness average
Differential Thickness Batch Individual Deviation Value
%
±3
±3
%
±7
±6
2
Tensile Strength
MD
MPa
152
140
TD
267
251
3
Elongation at break
MD
%
144
138
TD
59
46
4
Shrinkage
MD
%
3.0
3.3
TD
0.05
0.08
5
Wet tension
mN/m
41
 
6
Porosity (average)
%
 
9.0
7
Dielectric strength
Average
Mv/m
615
608
Minimum
460
450
8
Surface roughness (Ra)
AK
µm
0.10
0.35
CR
0.09
0.38
9
Relative permittivity
 
2.24
2.27
10
Dielectric loss factor  tgδ
 
1.2×10-4
1.00×10-4

 

Performance of thin film products for solar cell backing

Item

Technology data

 

Test method

Normal thickness

125

175

250

μm

 
Maximum error in
Average thickness

2.5

2.5

2.5

%

 

Maximum error in
Average thickness

1.5

1.5

1.5

%

 

 
Tensile 

MD

≥ 170

≥ 160

≥ 150

MPa

ASTM D 882

TD

≥ 170

≥ 160

≥ 150

MPa

 
Elongation at break

MD

≥ 70

≥ 80

≥ 90

%

ASTM D 882

TD

≥ 70
≥ 80
≥ 90
%

Maximum thermal shrinkage

MD

£ 1.5

£ 1.5

£ 1.5

%

BMS TT 1.1

TD

0.4

0.4

0.5

%

Dielectric strength

≥ 10

≥ 11

≥ 15

kV/mm

DIN EN 60243-2

Corona treatment(side)

≥ 46

≥ 46

≥ 46

mN/m

ASTM D 2578a