The alum helps the pigments used in marbling to adhere to the paper.
Buy alum for paper marbling.
Buy pure aluminum sulfate from an art supply store or online.
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.
Lay a sheet of paper on the surface of this alum water.
Without a mordant the pigments will slide off the paper.
Stir for 2 or 3 minutes till the alum is dissolved.
When aluming paper it s important to first mark the back of your sheets.
Alum is a mordant meaning it causes color to set on the paper.
450 g 1 lb chemical formula.
Put one third cup of alum into one gallon of water or you can cut this recipe in half.
Pour this mixture into a large marbling tray.
Each sheet of paper or fabric must be coated with dissolved alum before you marble it if you don t put alum on your paper or fabric the color will rinse off.
It is sold in a dry crystal form and is soluble in water.
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.
Alum is also used in.
Without it the marbling will be faint and blurry.
Alum potassium aluminum aluminium sulfate sulphate dodecahydrate.
Marbling paper in the ebru turkish style requir.
Used as a color binder in marbling.
Alum or potassium aluminum sulfate is a chemical often used as a food preservative.