Ceramic Glaze Terminology

Overglaze a glaze applied on top of another glaze.

Ceramic glaze terminology.

Transparent glaze transmits light clearly. Long tapered knife useful for trimming cast or pressed pieces and for separating mold components. Ceramic glaze is an impervious layer or coating of a vitreous substance which has been fused to a ceramic body through firing. 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.

An iridescent optical appearance due to light reflections producing diffraction patterns on a glazed surface. Vitrification the firing of pottery to the point of glossification. 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. Glaze can serve to color decorate or waterproof an item.

Learn the meanings to hundreds of common pottery glaze and craft terms. It was developed by the chinese over 1000 years ago. 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.

Often times it is a clear glossy glaze applied over a matte glaze to make it glossy. Throwing creating ceramic shapes on the potter s wheel. Pertaining to the hard finish of a fired glaze or the nonabsorbency of a fired body. 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.

Glazes are the protective coatings that make ceramics safe and useful. Widely used and misused term referring to any earthenware pottery glazed with an opaque glaze usually white and overglaze decoration. Or low sol glaze. 14 99 unicorn spit 5770013 gel stain glaze weathered daydream 4 ounce bottle grey 172.

Throwing the term used when referring to forming or shaping on a potter s wheel. It also gives a tougher surface. Plasticity a workable property of clay that enables it to take and hold any impression. Without the fired surfaces the ware would not be able to hold water or be safe for food.

See also claybody glaze fit high temp glaze intermediate glaze low temp glaze. Glaze is also used on stoneware and porcelain. Glazing renders earthenware vessels suitable for holding liquids sealing the inherent porosity of unglazed biscuit earthenware.