Engobe & Glaze
Glaze, engobes & frits are different layers and materials which cover a ceramic body for different purposes and add various qualities.
The glaze is a glass-like coating that is placed on the surface of the ceramic body, the glaze and engobe consist of a primary dry material that becomes a thin paste or slurry after being ground with water and applied to the ceramic body with different methods then tiles and bodies are placed and heated to a certain temperature in the furnace.
Glazing (& using engobe) the ceramic body causes better density, hardness, polish and color and makes it strong and stable against some chemical factors. Glaze and engobe completely condense porous ceramic objects and prevent liquids and gases from penetrating inside the tissue. As a result, reduces the effect of corrosion and other unfavorable factors on them.
Glazes and engobes that are used for ceramic tiles and bodies are classified in terms of chemical composition, resistance to chemical agents, production methods, and physical and appearance characteristics. For example, glazes can be matte, semi-matte and transparent.
Alumina is an important precursor for the production of technical ceramics. The reason for its popularity in the technical ceramic industry is its high mechanical strength, hardness, wear resistance and chemical corrosion resistance. Also, it has superior thermal and electrical resistance helping to keep dimensional stability and a good ability to dissipate heat at high temperatures. Parameters influencing the properties of the final product are calcination degree, soda content and particle size distribution. ALPHA offers a wide variety of calcined alumina products suitable for every technical ceramic need.
ALPHA calcined alumina and alumina-based products made with care and precision are the best choice for manufacturing standard ceramics.
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