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There are several types of clays that can be used to make stoneware, but paper clay is the most accessible. It’s easy to find, doesn’t require much skill or knowledge to use, and it comes in a variety of colors and textures.
Paper clay is made by mixing mineral-rich kaolin with sulfurous oils. Kaoline (kaolin containing sulfur) is very popular because it’s not expensive and people love the texture it gives to food.
Stonewash is one example of using kaoline to paint on paper clay. You can mold it into any shape you want and then color it along with other ingredients like wood ash or salt. By adding these materials, you can get different flavors in your clay.
You also can insert seeds from nuts or beans to give your piece an interesting texture or pattern. You can bake the clay until they release some moisture, which creates a fine dust.
This natural element provides a good contrast with the rest of the ceramic surface. Another advantage is that you can build up the thickness of the glaze and still have the strength required for eating safety.
To finish off this design, add in a touch of metal lustre to create a nice shine. Then, sprinkle on some sand to provide a tactile sensation and finalize the look.
In order to make stoneware, you must use plastic clay. There are two types of plastic clay: natural and synthetic.
Natural clays are available in varied colors and contain additives that allow the clay to shine when it is painted. Some popular varieties of natural clay are filbert, kaoliang, and oyster.
Synthetic clays or plastics can be found in either liquid or granular form. The term “granule” refers to the main ingredient within the particle, which is usually clay, and “liquid” applies to any material with flocculation properties. Both liquids and granules have particles made from the chemistry between several components including silica, alumina, lime, iron oxide, and magnesium dioxide.
Many different brands claim proprietary blends for both types of clay, so do your research before choosing one. Here are some generalizations about each type of clay :
Several common types of stoneware are made from wheat clays. The most commonly known type is porcelain, which is exceedingly strong
What makes this clay so suitable for pottery making is its very low water absorption rate. Water can expand the starch grains in the clay to absorb more moisture, but with porcelain this process is slowed by the thin layer of parchment that lines the inside of the grain. This limits how much water you can add before sealing or firing.
If you look at images of vases falling over or melting, they often show damage from overheating. Melting materials like natural fibers means pressure was applied along the shape of the object. Overheated objects can break due to stress induced during the cooling process.
If using raw flour, there are two ways to make porcelain-ready dough. You can use special machines to turn out smooth pellets, or you can mix it by hand and press into balls then flatten them.
The second method works well when making beads as you will get rounds instead of flat disks. Porcelain beads may be fired once or twice depending on your desired effect.
There are numerous types of pottery, including porcelain and glazed stoneware, but none is more ubiquitous than oven-baked or stoneware. Unlike other kinds of pottery, you can produce stoneware at home without special equipment.
The essential difference between ceramic ware and stoneware is the manner in which it was made. Stonewares are made by heating materials to the firing range, where they are pressed into pots or pans and then cooled overnight. The next day they are removed from the pan and subjected to heat (this process is called “annealing”). At this stage, any remaining traces of fusion have burned out, and the piece is as hard as corian.
Traditionally, stonewelds were polished to a high sheen, although today some softer versions are produced that may require little more than polishing. Modern paints and stains can be used to mimic the look of natural weathered pieces.