Alum Mordant Marbling

Marbling paper in the ebru turkish style requir.

Alum mordant marbling.

Alum is also used in dyeing as a mordant. Let s investigate just how much is enough to make a successful print. Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. Marbling instructions vary greatly in the strength of the alum solution recommended to mordant paper.

I ve seen measurements ranging from 1 5 teaspoons to 5 tablespoons per pint of water. Used as a color binder in marbling. 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.

Makes the color stick on the paper or fabric. This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling. Alum or potassium aluminum sulfate is a chemical often used as a food preservative. 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.

Used as a color binder in marbling. 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. It bonds readily and permanently to other molecules creating a link between fiber and marbling pigment. Without a mordant the pigments will slide off the paper.

Our aim in mordanting is to evenly apply an alum solution to our fabric before marbling just enough for a permanent print. It costs about 1 oz and is also sold in 8oz 16oz bags at art craft stores or online. 450 g 1 lb chemical formula. Stir thoroughly to dissolve the crystals.

Makes the color stick on the paper or fabric. Alum mordant for paper marbling. Alum aluminum sulphate every sheet of paper to be marbled must be coated with alum. Jana kolar jana kolar date.

The alum helps the pigments used in marbling to adhere to the paper. Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. Alum is also used in dyeing as a mordant. Make enough solution to cover your fabrics.

Alum is corrosive and will destroy cloth if not washed out soon. Plan to marble fabric as quickly as possible after treatment. Wear disposable gloves while treating and marbling the fabric. Alum this is mixed with hot water as a mordant to get the finished pattern to stick to the paper or fabric being marbled.