Am I alone in this but I've often wondered why is it that wool on a sheep's back doesn't shrink, but as soon as that wool is turned into a pair of socks it does?
Wool only shrinks if it is woven tightly together into fabric. Sheep also secrete a substance, called lanolin, which covers the wool and makes it waterproof.
On the lighter side
They don't shrink until after you've thrown them in the dryer.
Am I alone in this but I've often wondered why is it that wool on a sheep's back doesn't shrink, but as soon as that wool is turned into a pair of socks it does?
because raw wool is coated as somebody said.
wool is processed and the coating is stripped off using a chlorine-based treatment - then it can be spun into fibre.
however, that also means it can now shrink under high temperatures.
Am I alone in this but I've often wondered why is it that wool on a sheep's back doesn't shrink, but as soon as that wool is turned into a pair of socks it does?
If the wool on a live sheep shrunk as much as my Marks and Sparks socks the sheep wouldn’t be able to breath. (Yes I know, my feet don't breath either)
The real telling would be to wash a live sheep in chorine solution followed by twenty minutes in a twin tub and then a quick tumble dry. That would answer my question!
The coating stops them shrinking that's why farmers have to regularly "shampoo" their sheep to remove the coating so they don't end up like this.
It's a result of the centuries of selective breeding so they now produce far more wool than they used to so the coating which used to protect their relatively thin coat now causes it to be far to big.
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