Why do some clothes shrink when washed in hot water and why can’t they stretch back to their normal size?
In: 845
There a minute earth video about this. Tldr, some natural fibers have surface structures that act a bit like ratchets, allowing the fiber to slide past each other one way but the other. This causes them to bunch up tighter than they previously were, making the fabric smaller in the process.
e: here’s the video: https://www.youtube.com/watch?v=-_Pb0Abb6hc
Latest Answers