Alum Powder For Marbling

Without it the marbling will be faint and blurry.

Alum powder for marbling.

A white crystalline compound used in solution for coating paper prior to marbling for setting dyes on fabrics and other applications. Without a mordant the pigments will slide off the paper. Alum in powder left and lump right form. 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.

Alum is the third most important substance in marbling after the gall and the size. Alum is also used with some natural dyes as a mordant. Marbling paper in the ebru turkish style requir. Al 2 so 4 3 k 2 so 4 24h 2 o this product looses 18 h 2 o at 92 5 o c and becomes anhydrous at 200 o c.

It is sold in a dry crystal form and is soluble in water. This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling. Dissolve 2 teaspoons alum into 1 gallon of water to make a solution for fabric to be marbled. You will need to cover your paper with alum in order for the design to transfer from the water to the paper without getting washed away.

You may apply the alum with a brush sponge or a spray bottle. Marbling on tragacanth does not requore alum but the paper must be dampened slighly to accept the colour. Alum safety depends on multiple factors. 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 forms cubic or octahedral crystals that are. It ensures that designs transfer clearly to fabric or paper surfaces. Mix 1 tablespoon of the powdery alum per one cup of water and then thoroughly wet the surface of your paper. Sodium aluminum sulfate is a type of alum that is used in commercial baking powder.

The alum helps the pigments used in marbling to adhere to the paper. Alum or potassium aluminum sulfate is a chemical often used as a food preservative. Alum aluminum sulphate every sheet of paper to be marbled must be coated with alum. The reasons behind this i have not been able to find out but it.

Buy pure aluminum sulfate from an art supply store or online. Alum is a powdered presoak used to treat fabric or for marbling. Alum is used in the fabric marbling process as a pre mordant to make marbling paints stick and is also used as one of the safer chemicals to pre mordant fabric in preparation for natural dyeing. Also sometimes referred to as potassium aluminum sulfate.