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. 2017 Jun 14;15(6):e04842. doi: 10.2903/j.efsa.2017.4842
Parameter Value
Moisture max. 1.0%
Moisture variation ± 0.3%/h
Bulk density 230–850 kg/m3
Bulk density variation ± 150 kg m−3 h−1
Material temperature 10–60°C
Material temp. variation ± 10°C/h
PVC max. 200 ppm
Glue max. 100 ppm
Polyolefins max. 300 ppm
Cellulose (paper, wood) 100 ppm
Metals max. 100 ppm
Polyamide max. 100 ppm