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Standard marking for plastic tableware (6)

Update:19 Jan 2019
Summary:

The number "7" represents the material of the plastic e […]

The number "7" represents the material of the plastic except for PVC or polystyrene or a composite material of various plastic materials. More common in kettles, cups, bottles. High temperature resistant, can be used repeatedly, but can not be heated in a microwave oven.

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