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As the Al-metalized film features excellent gas and moisture barrier properties, it is widely used for food packaging such as snack bags and retort pouches.
Based on its proven surface treatment technology, Seoil offers a variety of materials suitable for food packaging.
Gas Barrier
Water Resistance
Heat Resistance
Light Barrier
Brilliance
Printability
Property | Unit | Spec |
---|---|---|
OTR (Oxygen Transmission Rate) |
cc/㎡/day | 0.5 ~ 1.0 |
WVTR (Water Vapor Transmission Rate) |
g/㎡/day | 0.5 ~ 1.0 |
※ 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↑ |