Transparent 12.5 μm PET SiOx barrier film with typical light transmittance of 89% and haze of 2%, combining product visibility with oxygen and moisture protection for laminate development.
WBP-12RT is a transparent PET film with a silicon oxide (SiOx) barrier layer. It combines optical clarity with oxygen and water-vapor barrier performance for transparent laminated packaging evaluation.
The technical data report typical OTR of 0.32 cc/(m²·day) at 23°C and 0% RH, and WVTR of 0.35 g/(m²·day) at 38°C and 90% RH. Reference thickness is 12.5 μm.
The functional surface has a typical wetting tension of 54 mN/m and is designated for printing. Printing and lamination conditions should be confirmed through converting trials.
Confirm intended product compatibility, applicable contact compliance and converting conditions before use. The supplied technical data do not establish boiling, retort or heat-seal performance.
| Property | Method / Conditions | Unit | Typical Value |
|---|---|---|---|
| Thickness | Micrometer | μm | 12.5 |
| Light transmittance | ASTM D1003 | % | 89 |
| Haze | ASTM D1003 | % | 2 |
| WVTR | ASTM F1249; MOCON; 38°C / 90% RH | g/(m²·day) | 0.35 |
| OTR | ASTM D3985; MOCON; 23°C / 0% RH | cc/(m²·day) | 0.32 |
| Elongation at break, MD | ASTM D882 | % | 150 |
| Elongation at break, TD | ASTM D882 | % | 116 |
| Tensile strength, MD | ASTM D882 | MPa | 167 |
| Tensile strength, TD | ASTM D882 | MPa | 159 |
| Wetting tension, functional side | ASTM D2578 | mN/m | 54 (printing) |
Values are typical reference data, not guaranteed finished-package specifications. Retort, boiling and heat-seal performance are not specified in the supplied technical data.
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