Used as a mordant in natural dyeing and for preparing fabrics for marbling. Available in 1, 5, and 25 lb. sizes.
Use 1.75 tsp per lb. of fiber for natural dye baths. Use 4 Tbs per gallon for preparing fabric for marbling, and 4 Tbs per quart of water for preparing paper for marbling.
Made in: UNITED STATES (USA)
GENERAL INFORMATION AND USE
Alum is used in the fabric marbling process as a pre-mordant to make marbling paints "stick", and is also used as one of the safer chemicals to pre-mordant fabric in preparation for natural dyeing.
DIRECTIONS FOR USE
Dissolve 1/4 cup (4 TBS) alum into 1 gallon of water to make a solution for fabric to be marbled. Dissolve 1/4 cup (4 TBS) alum in 1 quart of water to make a solution for paper to be marbled.
Also used in natural dyeing.
ALERT: Be careful not to leave on the fabric too long or get hot as that combination can really damage the fabric.