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Medical supplies can be easily deteriorated when they are exposed to moisture and oxygen (due to moisture absorption or oxidation), and their concentration can be changed as well when water evaporates from the solvent. For this reason, the barrier function of pharmaceutical packaging is critical in order to protect and maintain their intended medical functions.
The excellent barrier properties of the transparent barrier film incredibly enhances the storage stability of the content.
Moisture Barrier
High Permeability
Stickiness
Property | Spec |
---|---|
WVTR (g/m²day) | 0.02 ~ 0.05 |
OTR (cc/m²day) | 0.02 ~ 0.05 |
VLT (%) | 88 or more |
Haze | 2.5 or less |
Wettability (mN/m) | 50 or more |
※ As the base film is selected according to the intended application, the physical properties may vary.
Property | Unit | MPET PX52 | MPET PX53 | MPET XP35 | MPET PX37 | MPET PX135 | Test Method | |
---|---|---|---|---|---|---|---|---|
Base Film Thickness | ㎛ | 12 | 12 | 12 | 12 | 12 | Micrometer Method | |
Tensile Strengt | MD | kgf/㎟ | 27 | 26 | 27 | 27 | 28 | ASTM D 882A |
TD | 23 | 22 | 23 | 24 | 24 | |||
Elongation at Break | MD | % | 121 | 123 | 127 | 131 | 121 | |
TD | 139 | 132 | 141 | 136 | 141 | |||
Young's Modulus | MD | kgf/㎟ | 476 | 465 | 457 | 442 | 469 | |
TD | 487 | 480 | 486 | 496 | 485 | |||
Heat Shrinkage | MD | % | 1.0 | 1.0 | 1.0 | 1.2 | 1.2 | Seoil Method (150℃/30min.) |
TD | 0 | 0 | 0 | 0 | 0 | |||
Al Thickness | Å | 420 | 420 | 420 | 520 | 420 | Seoil Method | |
O.D (Optical Density) | - | 2.1 | 2.1 | 2.1 | 2.6 | 2.1 | Seoil Method | |
OTR (Oxygen Transmission Rate) | cc/㎡/day | 1.0 | 1.0 | 1.1 | 0.7 | 1.5 | ASTM F 3985 (25℃, 0%R.H., 1atm) | |
WVTR (Water Vapor Transmission Rate) | g/㎡/day | 1.0 | 1.0 | 2.0 | 0.7 | 0.7 | ASTM F 372 (37.8℃, 90%R.H., 1atm) | |
Surface Tension (Metallized Side) | dyne/㎝ | 58 | 58 | 54 | 56 | 58 | ASTM D 2578 | |
Gloss (Metallized Side) | 20˚ | % | - | - | 1250↑ | 1250↑ | 1250↑ | ASTM D 523 |
60˚ | 700↑ | 650↑ | 750↑ | 750↑ | 700↑ |