Alum is a mordant meaning it causes color to set on the paper.
Marbling paper with starch and alum.
Marbleizing supplies are inexpensive and readily available at art supply and crafts stores.
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.
Marbling size is the thickened liquid that the paint floats on.
Once you understand the basics of paper marbling science experiment to find the method you like best.
Trays should be larger than paper in cups dilute 2 parts of each paint color in 3 parts water.
Without it the marbling will be faint and blurry.
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.
1 2 tsp alum helps paint adhere to the paper 2 cups liquid starch liquid acrylic paints a long wooden skewer a 9 x 13 pan and white copy paper cut to fit the inside your pan.
In one tray mix a starch bath with 4 cups liquid starch and 1 tsp.
Marble paper science projects require adult supervision but they are super easy.
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.
Dissolve 2 tsp alum in 3 4 cup water.
Once the paper is dry press them under books to make them flat it will make marbling much easier if the paper is flat.
After the alum is applied hang the paper to dry.
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.
This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling.
It is not possible to marble with the alum wet on the paper the paint slides off.
Mix 1 tablespoon of the powdery alum per one cup of water and then thoroughly wet the surface of your paper.
You may apply the alum with a brush sponge or a spray bottle.
In fact this is a great science project for the whole family.
The purpose of alum in traditional marbling is to precipitate the pigment colloid solution on the paper surface.
Every marbler knows the problems and the hardest thing in marbling is to find just the right paper.
To make this fun and easy marbleized paper you will need.
The ph of an alum solution is approximately 3 4 depending on the concentration used.
You can change up the size of the pan just keep the proportions of starch and alum the same.
Then use your marbled paper for cards gift wrap or place it in a frame for one of a kind art.
Mix alum and warm water optional.
Fill the other tray with water.
Dissolve 2 tablespoons of the alum in 2 cups of warm water.
Marbling paper in the ebru turkish style requir.