Table 3.
Decontamination efficiency from the challenge test, residual concentrations of the surrogates in the recycled PET (Cres) and calculated concentrations of the surrogates in PET (Cmod) corresponding to a modelled migration of 0.15 μg/kg food after 1 year at 25°C
| Surrogates | Decontamination efficiency (%) | Cres for 100% rPET (mg/kg PET) | Cmod (mg/kg PET) |
|---|---|---|---|
| Toluene | 98.4 | 0.05 | 0.13 |
| Chlorobenzene | 98.3 | 0.05 | 0.15 |
| Chloroform | 98.6 | 0.04 | 0.15 |
| Methyl salicylate | 94.0 | 0.18 | 0.20 |
| Phenylcyclohexane | 94.7 | 0.16 | 0.21 |
| Benzophenone | 92.4 | 0.23 | 0.24 |
| Methyl stearate | 95.5 | 0.13 | 0.47 |
PET: poly(ethylene terephthalate); rPET: recycled poly(ethylene terephthalate).