diffusion membrane

1Main features and uses of the product

This product has the function of light diffusion, mainly used for liquid crystal displays the back light module

2Product usage

item

unit

specification

Testing method

HB100A

HB125A

HB188A

Total thickness

um

128

153

217

ASTM D1006

light transmittance

BF

%

74

74

74

ASTM D1003

haze

BF

%

90

90

90

Tensile Strength

Horizontal

Kg/mm2

24

24

24

ASTM D882

Vertical

20

20

20

elongation at break

Horizontal

%

200

200

200

Vertical

110

110

110

Heat shrinkage rate

Horizontal

%

0.8

0.8

0.8

ASTM D1204

Vertical

0.5

0.4

0.4

Surface resistance

F

Ω

0.32×1014

0.37×1014

0.42×1014

ASTM D257

B

0.21×1011

0.25×1011

0.23×1011

 

Temperature test

good

good

good

150℃,30min

High temperature and humidity test

good

good

good

60℃,90%RH,250h