Nepheline syenite plays an important role in matt glaze production. Using high-quality materials such as Nepheline can help to significantly improve the functional and aesthetic properties of the matt glaze [...]
In 2020, Sibelco completed the acquisition of two producers of high quality clay in the Donbass region of Ukraine. The acquisition will enable Sibelco to provide you with additional [...]
Shrinkage of a ceramic article can occur during drying and firing – careful monitoring and management is critical, since not only can shrinkage affect the size of the finished [...]
In mineralogical studies of plastic or ‘ball clays’, carbon is typically listed as a ‘minor constituent’. But this undervalues the impact of carbonaceous matter – particularly during ceramics manufacture. [...]
Any ceramics manufacturer who has experienced crazing of their glazes will be familiar with the issue of thermal expansion. Crazing is caused by the different contractions of the body [...]
Understanding the impact of soluble salts Naturally occurring soluble salts are found in several ceramics raw materials, including plastic clays, kaolin and feldspars. But it’s the ‘unknown’ salts – [...]
Both the grain size and distribution of particles making up a raw material can have a major impact on end product performance – and in some cases, productivity. Not [...]
