BOPA >> 251: 25㎛-CORONA BOTH SIDE TREATED

ITEM UNIT 12mic DATA TEST METHOD
Thickness Ave 25.0±1.0 24.95±0.60 Point to Point
Range Max' - Min'
Tensile
Strength
MD kg/mm² 23.0±3.0 22.1 ASTM D-882
TD 30.0±3.0 30.4
Elongation
at break
MD % 180±30 184.7 ASTM D-882
TD 110±15 108.3
Heat Shrinkage
by Heated Air
MD % 1.00±0.50 1.00 160℃/15min
TD 0.50±0.50 0.25
Haze % 4.3±0.5 4.57 ASTM D-1003
Friction Coefficient µs 0.70±0.15 0.74 ASTM D-1894
µk 0.60±0.15 0.62
Wetting
Tension
Treated dyne/cm 52±4 54 ASTM D-2578
Treated dyne/cm 52±4 54
Water vapor
transmission rate
g/㎡ .24hr Below than 550 437 ASTM F-1249
(37.8℃, 100%RH)
Oxygen
Permeability
cc/㎡.24hr.atm Below than 55 48 ASTM D-3985
(23℃, 0% RH)