Weight loss of packaging material (mg/200cm2 ) Dose (kGy) PET(Italy) PET(local) HDPE LDPE LDPE blue -Isooctane (20°C/2 days: 29 a 5.0 a 4.0 a 5.0 a 3.0 a 0.0 28 a 4.0 a 4.0 a 4.0 a 2.0 a 1.0 28 a 4.0 a 4.0 a 4.0 a 2.0 a 1.0 3.0 a 4.0 a 4.0 a 3.0 a 1.0 a -0.0 Acetic acid 3% (70°C/2 hr) 2.0 a 3.0 a 3.0 a 2.0 a 1.0 a 1.0 2.0 a 2.0 a 3.0 a 1.0 a 1.0 a 5.0 (same letter mean no differences at 5%)

Table 4: Migration test results as changes of weight tested materials.