TEXTILES: Shrink-Proof Wool

Shrink-Proof Wool A wool fibre consists of: 1) the cortex (scaly outer layer), 2) elasticum (inner layer), 3) core. If soaked in water, the elasticum and core contract, pulling the cortex with them and shrinking the wool 10 to 30%. For years chemists have searched for a way to "lubricate" these inner parts to prevent shrinking, but most of them failed.* The treatments either made the wool scratchy, bleached its dyes or damaged its durability. Last week the U. S. granted two patents on processes which make wool shrink-proof but promise...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!