Buy Alum For Paper Marbling

Makes the color stick on the paper or fabric.

Buy alum for paper marbling.

450 g 1 lb chemical formula. Alum is also used in. It is sold in a dry crystal form and is soluble in water. Put one third cup of alum into one gallon of water or you can cut this recipe in half.

Without it the marbling will be faint and blurry. Alum or potassium aluminum sulfate is a chemical often used as a food preservative. Press one end of the paper to the bottom of the tray. Lay a sheet of paper on the surface of this alum water.

Buy pure aluminum sulfate from an art supply store or online. Alum is a mordant meaning it causes color to set on the paper. Stir for 2 or 3 minutes till the alum is dissolved. This is pure aluminum sulphate and doesn t contain other unnecessary chemicals like potassium or ammonium which are often found in the alum used for pickling or for gardening.

Used as a color binder in marbling. Without a mordant the pigments will slide off the paper. To make enough alum for several dozen sheets of paper stir 1 tbsp 15 ml alum into 1 cups 360 ml warm water until completely dissolved at least two minutes. Pour this mixture into a large marbling tray.

The alum helps the pigments used in marbling to adhere to the paper. Alum potassium aluminum aluminium sulfate sulphate dodecahydrate. This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling.