This is a measure of how much a tile expands or contracts when exposed to heat. A higher coefficient of thermal expansion indicates a tile that is more likely to crack or warp when exposed to heat.
Pigment :This is the material that gives a tile its color. Pigments can be natural or synthetic.
Glaze :This is a transparent or opaque coating that is applied to the surface of a tile. Glazes can be used to protect the tile, change its color, or add a decorative finish.
Enamel :This type of glaze is applied to the surface of a tile under high heat. Enamels are more durable than regular glazes and can be used to create a variety of finishes, including glossy, matte, and satin.