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Is It Safe To Use Ceramic Cups

- Sep 02, 2017 -

Ceramic glaze glass surface have a layer of ceramic glaze, ceramic glaze is attached to the ceramics on the surface of the billet surface a continuous layer of vitreous, modern ceramic glaze used in the production can be divided into long lime glaze and the glaze. Lime glaze is apple with glaze (similar to a natural mineral raw materials China stone) and ash glaze (ingredient calcium oxide), made from feldspar glaze is mainly composed of quartz, feldspar, marble, kaolin, etc. 

Adding metal oxides to lime glaze and long glazed glazes, or infiltrating other chemicals, can become all kinds of glaze. There are many kinds of glaze, according to the body type, there are ceramic glaze, ceramic glaze and fire stone glaze. By sintering temperature, below 1100 ° C firing glaze as low temperature glaze, 1100 ° C to 1250 ° C between firing glaze of medium temperature glaze, above 1250 ° C for high temperature glaze glaze firing; According to the characteristics of glaze, there are white glaze and color glaze, crystal glaze, kiln glaze, crack glaze, matt glaze, opal glaze, salt glaze, etc. The low-temperature lead glaze with lead used in the ornamental ceramic works is not used anymore, so it is not toxic and safe to use ceramic glaze that has been burned in high temperature.