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. 2023 Aug 2;21(8):e08149. doi: 10.2903/j.efsa.2023.8149
Parameter Value
Moisture max. 1.5%
Moisture variation ± 0.3% h−1
Bulk density 200–500 kg/m3
Material temperature 10–60°C
PVC max. 50 mg/kg
Glue 50 mg/kg
Polyolefins max. 50 mg/kg
Cellulose (paper, wood) 50 mg/kg
Metals max. 50 mg/kg
Polyamide max. 2000 mg/kg

PVC: poly(vinyl chloride).