When marbling, use Alum to pre-treat fabric for clear transfer of designs. One cup of alum is dissolved in water along with four teaspoons of Calgon, to create a solution for submerging the fabric. Wring out the fabric without rinsing and allow to air dry before marbling.
Details:
Available in multiple sizes
Also used as a mordant with some natural dyes
CAUTION: Keep dyes, paints and chemicals away from children. Avoid unnecessary personal contact. Do not take internally.
lié au Jacquard Alum
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