Layer structure and packaging application illustrations; schematic, not to scale. Colors do not represent actual film colors. Only identified coating and substrate layers are shown; unspecified primers or bonding layers are omitted. View full-size structure ↗
Transparent Barrier PET AlOx Film
SD520E is an SD PACK transparent AlOx coated PET film on a PET substrate. Typical application: puffed foods, masks and medicine packaging.
- Substrate
- PET
- Coating
- AlOx
- Structure
- AlOx coating
Technical data is available below. Include your target specifications when requesting samples.
Meet SD520E.
SD520E is an SD PACK transparent AlOx coated PET film on a PET substrate. Typical application: puffed foods, masks and medicine packaging.
Discuss your packaging format and converting process with our team to confirm the right film for your project.
Product at a glance.
| Product code | SD520E |
|---|---|
| Product family | AlOx Coated PET Films |
| Base substrate | PET |
| Coating material | AlOx |
| Coated sides / structure | AlOx coating |
| Typical applications | Puffed foods, masks and medicine packaging. |
Typical physical properties
Values and inequality limits transcribed from the SD520E column of the supplied AlOx PET data sheet.
| Property / condition | Unit | Test method / condition | SD520E |
|---|---|---|---|
| Thickness | µm | SD Test | 12.2 |
| Density | g/cm³ | SD Test | 1.4 |
| Light transmittance | % | ASTM D1003 | ≥ 87 |
| Tensile strength (MD) | MPa | GB/T 1040.3 | ≥ 170 |
| Tensile strength (TD) | MPa | GB/T 1040.3 | ≥ 170 |
| Elongation at break (MD) | % | GB/T 1040.3 | ≤ 200 |
| Elongation at break (TD) | % | GB/T 1040.3 | ≤ 200 |
| Coefficient of friction | Dimensionless | GB/T 10006 | ≤ 0.8 |
| Heat resistance (MD) | % | BB/T 0089; conditions not stated | ≤ 1.5 |
| Heat resistance (TD) | % | BB/T 0089; conditions not stated | ≤ 1.0 |
| OTR (23°C, 0% RH) | cm³/(m²·24 h) | ASTM D3985 | ≤ 2.0 |
| WVTR (38°C, 90% RH) | g/(m²·24 h) | ASTM F1249 | ≤ 2.5 |
| Surface tension (AlOx side) | mN/cm (as stated) | GB/T 14216 | ≥ 42 |
| Surface tension (PET side) | mN/cm (as stated) | GB/T 14216 | ≥ 40 |
| Top protective coating layer | — | Source description | With protective coating |
| Retort condition | — | ≤ 121°C, 30 min | Not stated (dash in source) |
The retortable designation applies to SD505B only. The supplied sheet does not state retortability for SD520E. Surface tension is reproduced in the source unit mN/cm; confirm this unit with SD PACK before using it as an acceptance specification.
Where it fits.
Puffed foods, masks and medicine packaging.
These uses are listed in our brochure. Confirm suitability for your packed product, processing conditions and destination-market requirements before ordering.
Let’s discuss SD520E.
Tell us what you need. Our sales team can discuss the available specifications and sample requirements.
Before you order.
Can I download a technical data sheet?
Yes. Download the shared SD520E / SD505B PDF in the Specifications section. Use only the column corresponding to your product model.
How do I request a quote or sample?
Send your application, thickness, width, quantity and destination. Sample availability, minimum order quantity, lead time and commercial terms will be confirmed by the sales team.
