Without it the marbling will be faint and blurry.
Marbling paper with starch and alum.
Alum is a mordant meaning it causes color to set on the paper.
You may apply the alum with a brush sponge or a spray bottle.
The ph of an alum solution is approximately 3 4 depending on the concentration used.
Mix alum and warm water optional.
Marble paper science projects require adult supervision but they are super easy.
In one tray mix a starch bath with 4 cups liquid starch and 1 tsp.
Mark one side of your watercolor paper with an a and use a sponge brush to apply alum solution evenly to that side of the paper.
It is not possible to marble with the alum wet on the paper the paint slides off.
Prepare the marbling size.
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.
Trays should be larger than paper in cups dilute 2 parts of each paint color in 3 parts water.
Dissolve 2 tablespoons of the alum in 2 cups of warm water.
Then use your marbled paper for cards gift wrap or place it in a frame for one of a kind art.
You can easily make your own rake for making patterns in your paint by sandwiching toothpicks taped at 1 4 to 1 inch intervals between layers of corrugated cardboard prepare the surface of your paper.
The purpose of alum in traditional marbling is to precipitate the pigment colloid solution on the paper surface.
To make this fun and easy marbleized paper you will need.
Fill the other tray with water.
Marbling paper in the ebru turkish style requir.
Once you understand the basics of paper marbling science experiment to find the method you like best.
Dissolve 2 tsp alum in 3 4 cup water.
You can change up the size of the pan just keep the proportions of starch and alum the same.
After the alum is applied hang the paper to dry.
Once the paper is dry press them under books to make them flat it will make marbling much easier if the paper is flat.
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.
Mix 1 tablespoon of the powdery alum per one cup of water and then thoroughly wet the surface of your paper.
Marbleizing supplies are inexpensive and readily available at art supply and crafts stores.
Alum aluminum sulfate crystals a sponge brush 2 tbs.
Corn starch eye dropper tempura paint the more colors the merrier newspaper.
Marbling size is the thickened liquid that the paint floats on.
In fact this is a great science project for the whole family.
