| Sample | PET-TP-011 |
| Plastic Type | Polyethylene Terephthalate (PET) |
| Molecular Formula | (C10H8O4)n |
| Color | Transparent |
| Common use | Cooking oil bottle |
| Degradation details | Exposure to indoor conditions. It was used only as a cooking oil bottle and then it was measured. |
| Time of degradation | – |
| Sample description | On the outer surface the bottle is clean, but there are traces of oil on the inside surface. Below you can see two spectra of this sample; one spectra is taken from the outer surface and one from the inside. |
| Microscopic image(s) | ![]() |
| Macroscopic image(s) | ![]() |
| Spectral Data type | Raman |
| A few scratches can be seen in the microscopic images | Laser wavelength: 785 nm Laser Power: 300 mW (100% of the laser power) Exposure time: 1 s Objective magnification: 20X (NA 0.35) Spectrum range: 720-1800 cm-1 |


