Alum Mordant Marbling

Plan to marble fabric as quickly as possible after treatment.
Alum mordant marbling. I ve seen measurements ranging from 1 5 teaspoons to 5 tablespoons per pint of water. Not for human consumption. Makes the color stick on the paper or fabric. Friday february 19 1999 anne lane alane at infoave net writes there is a discussion going on on the calligraphy list concerning the use of alum as a mordant for marbling paper.
Alum is also used in dyeing as a mordant. Our aim in mordanting is to evenly apply an alum solution to our fabric before marbling just enough for a permanent print. Marbling instructions vary greatly in the strength of the alum solution recommended to mordant paper. Used as a color binder in marbling.
450 g 1 lb chemical formula. Alum is corrosive and will destroy cloth if not washed out soon. Alum mordant for paper marbling. This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling.
Alum this is mixed with hot water as a mordant to get the finished pattern to stick to the paper or fabric being marbled. Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. Alum aluminum sulphate every sheet of paper to be marbled must be coated with alum. It is sold in a dry crystal form and is soluble in water.
Alum is also used in dyeing as a mordant. Alum or potassium aluminum sulfate is a chemical often used as a food preservative. It acts as a color binder or mordant fixing the colors to the paper permanently if alum is not applied to the paper before marbling most of the color will rinse off. Stir thoroughly to dissolve the crystals.
Let s investigate just how much is enough to make a successful print. Mix 3 tablespoons of alum per quart of hot water in one of the buckets. Used as a color binder in marbling. Remember that alum is the compound most commonly used to mordant both fabric and paper.
Without a mordant the pigments will slide off the paper. Makes the color stick on the paper or fabric. It bonds readily and permanently to other molecules creating a link between fiber and marbling pigment. Marbling paper in the ebru turkish style requir.
It costs about 1 oz and is also sold in 8oz 16oz bags at art craft stores or online. Some of these people are using the traditional carragheenan size and watercolors. Wear disposable gloves while treating and marbling the fabric. The alum helps the pigments used in marbling to adhere to the paper.