On March 1st,2017, part of the this regulation is expired & replaced by:
GB 31604.7-2016 National Food Safety Standard Food Contact Materials and Articles Decolorizing Test
This regulation stipulates the methods for hygienic analysis of products of food containers,
tablewares and films for food packaging which are made of raw materials of polyethylene,
polystyrene and polypropyrene.
It includes:
Scope
Sampling method
Soaking conditions
Potassium permanganate consumption
Vaporization residue
Heavy metal
Decoloration test