Why is it important to knead clay?
Table of Contents
Why is it important to knead clay?
The kneading helps to mix clay of different levels of moisture, helping it to dry evenly after it has been formed into its final shape. I sometimes combine different colors of clay and have to wedge it to get the layered look and to make sure it doesn’t separate when drying.
What happens if you dont knead clay?
When Clay that contains air pockets goes into the kiln there is a big chance that it is gonna crack or explode. Kilns are working at high temperatures and small air bubbles will ruin your craft. Every potter will face this situation from time to time as these breaks and blow ups are part of potter’s life.
Why is it important to knead clay before you begin Modelling it?
Air drying clay is so easy to use – knead the clay before you start modelling to make it more pliable and easier to shape. You can use water and clay to create a slip to adhere clay pieces together.
Why is it necessary to knead or wedge clay?
Wedging makes the clay more pliable, ensures a uniform consistency, and removes air pockets as well as small hard spots in the clay before you use or reuse the clay for a project. Kneading- essential to even out the clay body and remove air bubbles which can cause bloating or explosions during firing.
What happens if you don’t wedge your clay?
There are usually no air bubbles in it! In fact, improper wedging will more often add bubbles and you’ll just dry out your clay in the process. Simply make sure the pieces get enough drying time and have no plaster mixed in with the clay- that IS a sure recipe for explosions.
Does all clay have to be wedged?
Because clay is sticky, you need to wedge on a surface that your clay won’t easily stick to. There are different surfaces you can choose from to wedge on like Masonite, Concrete, Granite, and the most common being Plaster, Plywood, and Plywood covered in canvas. These are all good options.
What happens if you don’t wedge the clay?
What is clay pounding?
Traditionally this process was done by hand using a large wooden mallet. The pounding and kneading also removes all trapped air from the clay, which would be disastrous to the teapot. In the kiln the hot air trapped in the clay would expand and shatter the piece.