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Can you scald new plastic mugs with boiling water?
New plastic cups can not be scalded with boiling water. Not all plastic materials can be heat-resistant, first of all, we should observe the bottom of the cup triangle in the middle of the number, if it is No. 5, it shows that the cup is used in high-temperature-resistant plastics, if it is the other, it shows that the cup with the plastic material can not withstand high temperatures.
If the cup is not heat-resistant, with boiling water will cause the plastic material to release some substances that are not conducive to human health, if you want to sterilize the newly purchased plastic cups, you can use lightly salted water to soak the cups full of water, add a spoonful of salt, cover and shake a few times, so that the salt is fully diluted, and wait for 24 hours on it.
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