Search results
Results from the WOW.Com Content Network
Fritware, also known as stone-paste, is a type of pottery in which ground glass is added to clay to reduce its fusion temperature. The mixture may include quartz or other siliceous material. An organic compound such as gum or glue may be added for binding. The resulting mixture can be fired at a lower temperature than clay alone.
It was composed of white clay containing powdered feldspar, calcium phosphate and wollastonite (CaSiO 3 ), with quartz . [ 10 ] [ 11 ] Other early European soft-paste porcelain, also a frit porcelain, was produced at the Rouen manufactory in 1673, which was known for this reason as "Porcelaine française". [ 12 ]
Underglaze transfers are a technique that involves screenprinting or free handing a pattern onto a transfer paper (often rice paper or newspaper) which is then placed, dampened, and burnished onto the surface of a leather-hard piece of clay (similar to how a lick-and-stick tattoo might be applied). [21]
[contradictory] This type of clay is water-soluble and unstable. Earthenware is clay that has been fired between 1000–1200°C or 1832°–2192°F. The firing makes the clay water insoluble but does not allow the formation of an extensive glassy or vitreous within the body. Although water-insoluble, the porous body of earthenware allows water ...
White glue is the most common way to add to pieces of cold porcelain. Colors. There are three easy ways to dye cold porcelain, one of them is using oil paint that can be mixed with the amount of material used, and the others are using acrylic paint or using different color powders that are made of different dyes.
The process of creating Blue Ridge pieces began with the mixing of feldspar, talc, clay, flint, and water in a mixing machine to make a slip. The slip was then pumped into a filter press, creating a press cake. The press cake was remixed and formed into columns 6 feet (1.8 m) in diameter, which was in turn divided into 3-foot (0.91 m) lengths.
Underglaze decoration may then be applied, followed by glaze, which is fired so it bonds to the body. The glazed porcelain may then be painted with overglaze decoration and fired again to bond the paint with the glaze. Most pieces use only one of underglaze or overglaze painting, the latter often being referred to as "enamelled".
Hard-paste porcelain was invented in China, and it was also used in Japanese porcelain.Most of the finest quality porcelain wares are made of this material. The earliest European porcelains were produced at the Meissen factory in the early 18th century; they were formed from a paste composed of kaolin and alabaster and fired at temperatures up to 1,400 °C (2,552 °F) in a wood-fired kiln ...