Alum Mordant Marbling

450 g 1 lb chemical formula.

Alum mordant marbling.

Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. Let s investigate just how much is enough to make a successful print. Used as a color binder in marbling. Our aim in mordanting is to evenly apply an alum solution to our fabric before marbling just enough for a permanent print.

Make enough solution to cover your fabrics. 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. 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.

Without a mordant the pigments will slide off the paper. Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. The alum helps the pigments used in marbling to adhere to the paper. Marbling paper in the ebru turkish style requir.

Alum is corrosive and will destroy cloth if not washed out soon. It costs about 1 oz and is also sold in 8oz 16oz bags at art craft stores or online. Alum or potassium aluminum sulfate is a chemical often used as a food preservative. Used as a color binder in marbling.

Alum mordant for paper marbling. Wear disposable gloves while treating and marbling the fabric. Makes the color stick on the paper or fabric. Remember that alum is the compound most commonly used to mordant both fabric and paper.

Stir thoroughly to dissolve the crystals. This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling. I ve seen measurements ranging from 1 5 teaspoons to 5 tablespoons per pint of water. Some of these people are using the traditional carragheenan size and watercolors.

Mix 3 tablespoons of alum per quart of hot water in one of the buckets. It is sold in a dry crystal form and is soluble in water. Alum aluminum sulphate every sheet of paper to be marbled must be coated with alum. Not for human consumption.

Alum is also used in dyeing as a mordant. Jana kolar jana kolar date. Plan to marble fabric as quickly as possible after treatment. 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.