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Topic: Polystyrene cup  (Read 3503 times)

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yeung

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Polystyrene cup
« on: August 24, 2005, 02:55:49 AM »
Polystrene is a kind of thermoplastic, but why do we use it to make disposable  cups to hold hot drinks? Would it melt already?
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Offline xiankai

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Re:Polystyrene cup
« Reply #1 on: August 24, 2005, 05:51:50 AM »
no, because the melting point is far higher than the boiling point of water.
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