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Athousandlipsticks OP t1_j4d5dtx wrote

Reply to comment by PD_31 in Why do kitchen bags not melt but harden when exposed to a heat gun ? by Athousandlipsticks

Thank you! So if I understand correctly, once it is at this glass state, it can become rubber if heat is continuously applied or is this glass state permanent? Hopefully I’m understanding this process correctly

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PD_31 t1_j4dkuc6 wrote

Yes, while it is above the glass transition temperature it will be rubbery and become glassy again when it cools.

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