Traditional Culture Encyclopedia - Weather inquiry - What should I do if styrofoam hardens and cannot be pulled for a long time?
What should I do if styrofoam hardens and cannot be pulled for a long time?
Tools needed: hard styrofoam, basin, glycerin, straw, hand cream.
1. Put styrofoam in a basin and soak for one hour until soft.
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2. After taking it out, squeeze a little glycerin on it.
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3. squeeze a little hand cream.
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4. Then rub styrofoam.
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5. It can be seen that the foaming adhesive has recovered its ductility.
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6. In order to test whether the styrofoam can continue to foam, as shown in the red circle in the figure, we insert a straw on the styrofoam.
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7. Blow the straw, you can see that the styrofoam bubbles, and the recycling effect is good.
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