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Is The Ps Lid Harmful?

Update:08 Jun 2021
Summary:When we drink coffee or the like, we usually see a black lid, which is usually a Ps lid . The migrat...

When we drink coffee or the like, we usually see a black lid, which is usually a Ps lid .

The migration amount of styrene monomer mainly depends on the temperature of contact, the level of fat content in the food, and the time of contact. In the study of the styrene migration of polystyrene packaging materials used for packaging hot drinks, it is found that the migration of styrene monomer generally does not exceed 0.025% of its content. Using this research result as a reference, assuming that the styrene monomer content in polystyrene resin is 0.5% of the upper limit allowed in my country, then the migration amount of styrene monomer in a hot drink cup lid (generally weighs about 2-3g) It is about 3.75 micrograms. The tentative maximum allowable daily intake of styrene established by JEFCA is 0.04 mg/kg. For a person weighing 60 kg, the maximum allowable daily intake is 2400 micrograms. To achieve this amount of harm, it is equivalent to drinking about 107 cups of hot drinks a day, which is generally difficult for ordinary people to achieve.

The Paper cup sleeve is not in direct contact with the drink, and it can bring us convenience.

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