This standard specifies the determination method for the loss on drying of resins in food contact materials and products. This standard is applicable to the determination of the loss on drying of polyethylene resin and polystyrene resin of food contact materials and products. 2 principles
GB 31604.3-2016 history
2022GB 31604.53-2022 National Food Safety Standard Food Contact Materials and Products Determination of Migration of 5 Ethylene 2 Norbornene
2016GB 31604.16-2016 National food safety standard Determination of styrene and ethylbenzene in food contact materials and products
2003GB/T 5009.59-2003 Method for analysis of hygienic standard of polystyrene resin for food packaging
1996GB/T 5009.59-1996 Analytical method for hygienic standard of polystyrene resin for food packaging