Why do stretched rubber bands last longer than relaxed ones?
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Literally quite the opposite is true. Every time you stretch one, including the very first, you are disrupting its structure (polymer chains) and releasing heat, thus weakening it forever.
Are you sure this is the case? I’ve never noticed this.
I have noticed this my whole life. Rubber bands that are stretched around an object can last for years, while the extra ones I keep in a drawer dry rot in a year or two. This is why I asked the question. If you have actually observed this phenomenon please chime in.
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