Transparent polyimide film C series
Application field: CPI film of cover plate
|
Transparent polyimide film L series
Application: outdoor LED commercial display CPI film
|
|
|
Items
|
Unit
|
Parameter
|
Test standard
|
|
Items
|
Unit
|
Parameter
|
Test standard
|
|
Physical Property
|
Film thickness
|
μm
|
25
|
ASTM D374
|
Physical Property
|
Film thickness
|
μm
|
25
|
ASTM D374
|
|
Optical Performance
|
Transmittance
|
%
|
> 90
|
ASTMD1003
|
Optical Performance
|
Transmittance
|
%
|
> 88
|
ASTMD1003
|
|
b*
|
-
|
< 1
|
b*
|
-
|
< 1.5
|
|
Haze
|
%
|
< 1
|
Haze
|
%
|
< 1
|
|
YI
|
-
|
< 2
|
ASTM E 313
|
YI
|
-
|
< 3
|
ASTM E 313
|
|
δn
|
-
|
0.088
|
ASTM D4093-1995
|
|
|
|
|
|
Rth@10μm
|
nm
|
880
|
|
|
|
|
Mechanical Properties
|
Young's modulus
|
GPa
|
> 7
|
ASTM D882
|
Mechanical Properties
|
Young's modulus
|
GPa
|
2.8
|
ASTM D882
|
|
tensile strength
|
MPa
|
> 200
|
Tensile strength
|
MPa
|
> 90
|
|
|
Percentage of fracture
|
%
|
> 20
|
|
Percentage of fracture
|
%
|
> 15
|
|
Thermal Properties
|
Tg
|
℃
|
300
|
TMA
|
Thermal Properties
|
Tg
|
℃
|
280
|
TMA
|
|
CTE (50-250)
|
ppm/K
|
9
|
ISO 11359
|
CTE (50-250)
|
ppm/K
|
< 50
|
ISO 11359
|
Transparent polyimide slurry H series
Application field: under screen camera and other high temperature resistant CPI slurry
|
Transparent polyimide size S series
Application: outdoor LED commercial display CPI film
|
|
|
Items
|
Unit
|
Parameter
|
Test standard
|
|
Items
|
Unit
|
Parameter
|
Test standard
|
|
Slurry properties
|
viscosity
|
cp
|
5000±500
|
|
Slurry properties
|
viscosity
|
cp
|
80±10
|
|
|
Solid content
|
wt%
|
13
|
Solid content
|
wt%
|
10
|
|
solvent
|
/
|
NMP
|
solvent
|
/
|
DMAc
|
|
physical property
|
Film thickness
|
μm
|
10
|
ASTM D374
|
physical property
|
Film thickness
|
μm
|
25
|
ASTM D374
|
|
Optical performance
|
b*
|
/
|
< 4
|
ASTM D1003
|
optical performance
|
b*
|
/
|
< 1.5
|
ASTM D1003
|
|
Transmittance
|
%
|
> 85
|
Transmittance
|
%
|
> 90
|
|
Haze
|
%
|
< 0.6
|
YI
|
/
|
< 3
|
ASTM E 313
|
|
YI
|
-
|
< 7
|
ASTM E 313
|
Thermal Properties
|
Tg
|
℃
|
340
|
TMA
|
|
Thermal Properties
|
Tg
|
ppm/K
|
> 450
|
TMA
|
|
Td1
|
℃
|
> 500
|
TGA
|
CTE (50-250)
|
ppm/K
|
27
|
ISO 11359
|
|
CTE (50-400)
|
ppm/K
|
12
|
ISO 11359
|
|
Mechanical Properties
|
tensile strength
|
MPa
|
> 180
|
ASTM D882
|
Mechanical Properties
|
Tensile strength
|
MPa
|
> 90
|
ASTM D882
|
|
elongation at break
|
%
|
> 10
|
elongation at break
|
%
|
> 10
|
|
Young's modulus
|
GPa
|
> 6
|
Young's modulus
|
GPa
|
> 3
|
Transparent polyimide slurry M series
Product application: flexible sensor, photoelectric device
|
Transparent polyimide size L series
Application: outdoor LED commercial display CPI film
|
|
|
Items
|
Unit
|
Parameter
|
Test standard
|
|
Items
|
Unit
|
Parameter
|
Test standard
|
|
Slurry properties
|
viscosity
|
cp
|
18000±1000
|
|
Slurry properties
|
viscosity
|
cp
|
< 100
|
|
|
Solid content
|
wt%
|
10±1
|
Solid content
|
wt%
|
5
|
|
solvent
|
/
|
DMAc
|
solvent
|
/
|
DMAc/NMP
|
|
physical property
|
Film thickness
|
μm
|
25
|
ASTM D374
|
physical property
|
Film thickness
|
μm
|
25
|
ASTM D374
|
|
Optical performance
|
b*
|
/
|
< 1.5
|
ASTM D1003
|
|
Transmittance
|
%
|
> 88
|
|
Haze
|
%
|
< 1.5
|
|
YI
|
-
|
< 3
|
ASTM E 313
|
Thermal Properties
|
Tg
|
℃
|
> 350
|
TMA
|
|
Thermal Properties
|
Tg
|
℃
|
300
|
TMA
|
|
CTE (50-250)
|
ppm/K
|
12
|
ISO 11359
|
CTE (50-300)
|
ppm/K
|
< 12
|
ISO 11359
|
|
Mechanical Properties
|
tensile strength
|
MPa
|
> 180
|
ASTM D882
|
Mechanical Properties
|
Tensile strength
|
MPa
|
> 200
|
ASTM D882
|
|
elongation at break
|
%
|
> 10
|
elongation at break
|
%
|
> 15
|
|
Young's modulus
|
GPa
|
> 6
|
Young's modulus
|
GPa
|
> 6
|
