Alum Mordant Marbling

Alum aluminum sulphate every sheet of paper to be marbled must be coated with alum.

Alum mordant marbling.

Let s investigate just how much is enough to make a successful print. 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. Some of these people are using the traditional carragheenan size and watercolors. 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. Not for human consumption. I ve seen measurements ranging from 1 5 teaspoons to 5 tablespoons per pint of water. It is sold in a dry crystal form and is soluble in water.

Marbling paper in the ebru turkish style requir. Mix 3 tablespoons of alum per quart of hot water in one of the buckets. The alum helps the pigments used in marbling to adhere to the paper. It costs about 1 oz and is also sold in 8oz 16oz bags at art craft stores or online.

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

Stir thoroughly to dissolve the crystals. Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling. Marbling instructions vary greatly in the strength of the alum solution recommended to mordant paper.

450 g 1 lb chemical formula. Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. Alum mordant for paper 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.

Remember that alum is the compound most commonly used to mordant both fabric and paper. Alum is also used in dyeing as a mordant. Wear disposable gloves while treating and marbling the fabric. Alum is corrosive and will destroy cloth if not washed out soon.

Plan to marble fabric as quickly as possible after treatment. Makes the color stick on the paper or fabric. Alum or potassium aluminum sulfate is a chemical often used as a food preservative. Makes the color stick on the paper or fabric.