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Stretched rubber shrinks when heated, and expands when cooled. It's unusual, but not that unusual.
by jeremysmyth 11y ago
Stretched rubber shrinks when heated, and expands when cooled. It's unusual, but not that unusual.
- kazinator 11y agoI think this is about materials which shrink in all directions when heated. As in that a cube of the material will lose width, height and depth. I don't think that's the case with rubber or the "heat shrink" elastomers used for encasing wires.