Slip (ceramics)A slip is a clay slurry used to produce pottery and other ceramic wares. Liquified clay, in which there is no fixed ratio of water and clay, is called slip or clay slurry which is used either for joining leather-hard (semi-hardened) clay body (pieces of pottery) together by slipcasting with mould, glazing or decorating the pottery by painting or dipping the pottery with slip. Pottery on which slip has been applied either for glazing or decoration is called slipware.
SlurryA slurry is a mixture of denser solids suspended in liquid, usually water. The most common use of slurry is as a means of transporting solids or separating minerals, the liquid being a carrier that is pumped on a device such as a centrifugal pump. The size of solid particles may vary from 1 micrometre up to hundreds of millimetres. The particles may settle below a certain transport velocity and the mixture can behave like a Newtonian or non-Newtonian fluid.
PotteryCraft of making objects from clayHand building a jarPottery is the process and the products of forming vessels and other objects with clay and other raw materials, which are fired at high temperatures to give them a hard and durable form. The place where a potter makes such wares is also called a pottery (plural potteries).
WaterWater is an inorganic compound with the chemical formula H2O. It is a transparent, tasteless, odorless, and nearly colorless chemical substance. It is the main constituent of Earth's streams, lakes, and oceans. Water is also the fluid of all known living organisms, in which it acts as a solvent. Water, being a polar molecule, undergoes strong intermolecular hydrogen bonding which is a large contributor to its physical and chemical properties.
ClayClay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, Al2Si2O5(OH)4). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide. Clays develop plasticity when wet but can be hardened through firing. Clay is the longest-known ceramic raw material.
Stoke-on-TrentCity in Staffordshire, EnglandCity and unitary authority in EnglandStoke-on-Trent, often known as Stoke, is a city and unitary authority area in Staffordshire, England. It had an estimated population of 259,965 in 2022, making it the largest settlement in Staffordshire and one of the largest cities of the Midlands. Stoke is surrounded by the towns of Alsager, Biddulph, Cheadle, Kidsgrove, Newcastle-under-Lyme and Stone, which form a conurbation around the city.
MarlMarl is an earthy material rich in carbonate minerals, clays, and silt. When hardened into rock, this becomes marlstone. It is formed in marine or freshwater environments, often through the activities of algae. Marl makes up the lower part of the cliffs of Dover, and the Channel Tunnel follows these marl layers between France and the United Kingdom.
PotbankA potbank is a colloquial name for a pottery factory in north Staffordshire used to make bone china, earthenware and sanitaryware.
PugmillA pugmill, pug mill, or pug is a machine in which clay or other materials are extruded in a plastic state or a similar machine for the trituration of ore. Industrial applications are found in pottery, bricks, cement and some parts of the concrete and asphalt mixing processes. A pugmill may be a fast continuous mixer.Glossary of pottery termsThis is a list of pottery and ceramic terms. Definitions in Wiktionary are noted as "(W)".AAbsorbencyThe ability of a material to soak up water.AluminaA major component of the chemical composition of clays, clay bodies and most glazes.ArkLarge tank for the storage of slip. To prevent sedimentation it is gently agitated by slowly rotating blades.AtmosphereThe gaseous environment within the kiln during the firing process.
Kaolin sprayKaolin spray is a pest control that has kaolin as the main ingredient. The practice has been in recorded use from 2000 B.C.E. in China. More recent studies have shown that kaolin sprays can promote photosynthesis and are effective in reducing insects and disease on plants. DescriptionKaolin is a rock rich with the clay mineral kaolinite. Kaolin spray is a pest control that has kaolin as the main ingredient.
MetakaolinMetakaolin is the anhydrouscalcined form of the clay mineral kaolinite. Rocks that are rich in kaolinite are known as china clay or kaolin, traditionally used in the manufacture of porcelain. The particle size of metakaolin is smaller than cement particles, but not as fine as silica fume. Kaolinite sourcesThe quality and reactivity of metakaolin is strongly dependent of the characteristics of the raw material used.
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