Monday, October 17, 2011

What does Denim have to do with the metal Iron?

Iron : View of wrought iron decorative fence surrounding a gravesite in an old graveyard Stock PhotoDenim : Closeup detail of a blue jeans Stock Photo
Photos courtesy of

In the process of dying bluejean-denim indigo blue, the synthetic indigo-dye first turns the cotton yarn a bright green, then as it dries the oxidation process turns it dark indigo blue, a process that is much the same as the oxidation of iron.  See how it's done on "Factory Made" on the Science Channel today:

No comments:

Post a Comment

All comments are reviewed for appropriate content, then appropriate comments are posted within 36 hours or less.