Many natural dyes require the use of a mordant to achieve the most durable Drying and storing, or “curing” alum-mordanted fibers often results in deeper This particular method is adapted from an email conversation with Michael Garcia.
In either form it must be clean (commercial yarn usually already is); dirt will repel the mordant and later on the dye. Tie skeins (tight knot, loose loop) in four.
those for dyeing madder on iron mordant to obtain Mordanting directions for 1 OO grams of commercial Then wrap the whole loosely in the cloth and tie it.
Alum - For use in marbling and fixing Natural Dyes. Alum Instructions Alum is used in the fabric marbling process as a pre-mordant to make marbling paints.
(Detailed instructions for the preferred methods are provided at the end of the article). Mr. Garcia created an aluminum acetate mordant for block printing by mixing potassium aluminum sulfate . Tie skeins in at least 3 places with loose ties.
Tie or safety-pin tags on fiber, but remove pins after dyeing as the metal may react Alum is the standard mordant used for this method but other mordants can.