Alum Mordant Marbling

450 g 1 lb chemical formula.

Alum mordant marbling.

Alum or potassium aluminum sulfate is a chemical often used as a food preservative. Make enough solution to cover your fabrics. Some of these people are using the traditional carragheenan size and watercolors. Not for human consumption.

Used as a color binder in marbling. Alum aluminum sulphate every sheet of paper to be marbled must be coated with alum. Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. Alum is corrosive and will destroy cloth if not washed out soon.

Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. Mix 3 tablespoons of alum per quart of hot water in one of the buckets. Makes the color stick on the paper or fabric. It is sold in a dry crystal form and is soluble in water.

Wear disposable gloves while treating and marbling the fabric. Plan to marble fabric as quickly as possible after treatment. It bonds readily and permanently to other molecules creating a link between fiber and marbling pigment. The alum helps the pigments used in marbling to adhere to the paper.

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. Stir thoroughly to dissolve the crystals. Makes the color stick on the paper or fabric.

Jana kolar jana kolar date. It costs about 1 oz and is also sold in 8oz 16oz bags at art craft stores or online. Let s investigate just how much is enough to make a successful print. This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling.

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. I ve seen measurements ranging from 1 5 teaspoons to 5 tablespoons per pint of water.

Alum mordant for paper marbling. Marbling instructions vary greatly in the strength of the alum solution recommended to mordant paper. Alum is also used in dyeing as a mordant. Without a mordant the pigments will slide off the paper.