Ceramic Glaze Terminology

Vitrification the firing of pottery to the point of glossification.

Ceramic glaze terminology.

14 99 unicorn spit 5770013 gel stain glaze weathered daydream 4 ounce bottle grey 172. Porcelain a pottery ware that when fired is pure white. Glazes are the protective coatings that make ceramics safe and useful. It also gives a tougher surface.

Widely used and misused term referring to any earthenware pottery glazed with an opaque glaze usually white and overglaze decoration. See also claybody glaze fit high temp glaze intermediate glaze low temp glaze. The many types and textures of glazes that mayco offers are almost endless from bright shiny reds to soft pastels metallic gold to satiny rich black. Overglaze a glaze applied on top of another glaze.

Duncan inkit 1 envision glaze kit for ceramics set of 12 best selling colors in 4 ounce jars with free how to paint ceramics booklet 79. Without the fired surfaces the ware would not be able to hold water or be safe for food. Often times it is a clear glossy glaze applied over a matte glaze to make it glossy. Glaze is also used on stoneware and porcelain.

Learn the meanings to hundreds of common pottery glaze and craft terms. Defined by the pottery health regulations as a glaze which does not release more than 5 of its dry weight of soluble lead when subjected to a specified test using hydrochloric acid. Stoneware all ceramic wear fired between 2 100 and 2 300 degrees. Throwing the term used when referring to forming or shaping on a potter s wheel.

Glaze can serve to color decorate or waterproof an item. Ceramic glaze is an impervious layer or coating of a vitreous substance which has been fused to a ceramic body through firing. Underglaze decoration applied to biscuit pottery and covered with a glaze. Or low sol glaze.

Wedging a method of kneading clay to make it homogenous by cutting and rolling. Plasticity a workable property of clay that enables it to take and hold any impression. When purchasing ceramic pieces it is important to consider the type of glaze in terms of food safety durability and fit with the underlying claybody. An iridescent optical appearance due to light reflections producing diffraction patterns on a glazed surface.

Transparent glaze transmits light clearly. Pertaining to the hard finish of a fired glaze or the nonabsorbency of a fired body. It was developed by the chinese over 1000 years ago.