Glazes ingredients

Students will research the glaze ingredients used to determine why each ingredient is used. 

Research the physical property imparted by each glaze ingredient. 

Barium carbonate Barium fluoride ceramic glaze ingredient Zinc fluoride ceramic mfg. 

Dipping. (1) BISCUIT-FIRED POTTERY (q.v.) is dipped into a suspension of the glaze ingredients in water the dipped ware is then dried and glost-fired (q.v.)... 

Pharmaceutical Applications. Sucrose has a long history in the manufacture of pharmaceuticals. It imparts body to symps and medicinal hquids and masks unpleasant tastes. Sucrose also functions as a diluent to control dmg concentrations in medicines, as an ingredient binder for tablets, and to impart chewiness to the latter. Sustained-release medications and protective tablet glazes are prepared using sucrose (41). Sucrose-based sugar pastes are used to promote wound healing (58). 

Fine Earthenware.—The English manufacture may be selected as the type of this ware it is composed essentially of a mixture of plastic clay and quartz, and is, therefore, more refractory, harder, and denser than the delft ware, the chief ingredients of which are potters clay and marl, and which is in consequence soft and calcareous. Fine earthenware again is always coated with a transparent glaze the commoner sorts with enamel, producing the favorite Majolica ware. Neither kinds, however, are fitted for oulinary use, as they either split when exposed to heat, or the glaze becomes cracked and crazed. 

Figure 71. Sweetie Barrel. (Courtesy Western Cartridge Company.) The moist and mixed ingredients of bulk powder, tumbled in this apparatus, take on the form of grains. Similar equipment is used for sugar-coating pills and for applying a deterrent coating or a graphite glaze to grains of colloided smokeless powder.

Glazes can be prepared by combining a particular number of molecules of each ingredient. This can be accomplished using moles, which Activity 4.2 allows you to do. 

What is the purpose of adding the following ingredients to the glazes Si02, CuO, and A1203 ... 

A major ingredient in glazes is shellac. This material is an insect exudate and is completely natural and biodegradable. Kosher grades are available if required. 

---