Read about dyeing | 2 Discussions | Page 1

  1. A

    How can tannic acid be used for a fabric to retain dye?

    The dye is Malachite green specifically. I understand that tannic acid has many hydrogen bonds making it very polar, but i don't understand how it is a mordant between a fibre and the dye. Any help is much appreciated.
  2. Evo

    Please give if you can to the ASPCA for animals

    I just gave. Give what you can, even a dollar one time it's a single meal. Do what you can when you can, there is no obligation. It's just a one time gift. Please help if you can, if you cant, tell others.