Ceramic Glaze Terminology

Learn the meanings to hundreds of common pottery glaze and craft terms.

Ceramic glaze terminology. Often times it is a clear glossy glaze applied over a matte glaze to make it glossy. Transparent glaze transmits light clearly. See also claybody glaze fit high temp glaze intermediate glaze low temp glaze. 14 99 unicorn spit 5770013 gel stain glaze weathered daydream 4 ounce bottle grey 172.

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. It also gives a tougher surface. Plasticity a workable property of clay that enables it to take and hold any impression. It was developed by the chinese over 1000 years ago.

Throwing creating ceramic shapes on the potter s wheel. An iridescent optical appearance due to light reflections producing diffraction patterns on a glazed surface. 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.

Wedging a method of kneading clay to make it homogenous by cutting and rolling. 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. 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.

Or low sol glaze. Pertaining to the hard finish of a fired glaze or the nonabsorbency of a fired body. Overglaze a glaze applied on top of another glaze. Vitrification the firing of pottery to the point of glossification.

Glazing renders earthenware vessels suitable for holding liquids sealing the inherent porosity of unglazed biscuit earthenware. Without the fired surfaces the ware would not be able to hold water or be safe for food. Glazes are the protective coatings that make ceramics safe and useful. Long tapered knife useful for trimming cast or pressed pieces and for separating mold components.

Widely used and misused term referring to any earthenware pottery glazed with an opaque glaze usually white and overglaze decoration. Porcelain a pottery ware that when fired is pure white. 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.